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Finding the Fourth Proportional to 337,655.68, 506,296.53 and 138,116.18

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Solution

The fourth proportional to 337,655.68, 506,296.53 and 138,116.18 is: 207,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,655.68 : 506,296.53 = 138,116.18 : x
  2. Step 2: Convert to fraction form
    337,655.68/506,296.53 = 138,116.18/x
  3. Step 3: Cross multiply
    337,655.68x = 506,296.53 × 138,116.18
  4. Step 4: Simplify right side
    337,655.68x = 69,927,743,936.60
  5. Step 5: Solve for x
    x = 69,927,743,936.60/337,655.68
  6. Step 6: Final answer
    x = 207,097.79

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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.