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Finding the Fourth Proportional to 516,123.62, 774,185.43 and 161,168.05

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Solution

The fourth proportional to 516,123.62, 774,185.43 and 161,168.05 is: 241,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,123.62 : 774,185.43 = 161,168.05 : x
  2. Step 2: Convert to fraction form
    516,123.62/774,185.43 = 161,168.05/x
  3. Step 3: Cross multiply
    516,123.62x = 774,185.43 × 161,168.05
  4. Step 4: Simplify right side
    516,123.62x = 124,773,956,091.51
  5. Step 5: Solve for x
    x = 124,773,956,091.51/516,123.62
  6. Step 6: Final answer
    x = 241,752.08

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.