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Finding the Fourth Proportional to 123,164.96, 169,953.19 and 69,446.77

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Solution

The fourth proportional to 123,164.96, 169,953.19 and 69,446.77 is: 95,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,164.96 : 169,953.19 = 69,446.77 : x
  2. Step 2: Convert to fraction form
    123,164.96/169,953.19 = 69,446.77/x
  3. Step 3: Cross multiply
    123,164.96x = 169,953.19 × 69,446.77
  4. Step 4: Simplify right side
    123,164.96x = 11,802,700,096.70
  5. Step 5: Solve for x
    x = 11,802,700,096.70/123,164.96
  6. Step 6: Final answer
    x = 95,828.39

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.