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Finding the Fourth Proportional to 516,140.67, 774,210.72 and 161,185.11

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Solution

The fourth proportional to 516,140.67, 774,210.72 and 161,185.11 is: 241,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,140.67 : 774,210.72 = 161,185.11 : x
  2. Step 2: Convert to fraction form
    516,140.67/774,210.72 = 161,185.11/x
  3. Step 3: Cross multiply
    516,140.67x = 774,210.72 × 161,185.11
  4. Step 4: Simplify right side
    516,140.67x = 124,791,240,066.38
  5. Step 5: Solve for x
    x = 124,791,240,066.38/516,140.67
  6. Step 6: Final answer
    x = 241,777.58

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Similar ratio
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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.