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Finding the Fourth Proportional to 337,781.90, 506,386.69 and 148,098.51

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Solution

The fourth proportional to 337,781.90, 506,386.69 and 148,098.51 is: 222,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,781.90 : 506,386.69 = 148,098.51 : x
  2. Step 2: Convert to fraction form
    337,781.90/506,386.69 = 148,098.51/x
  3. Step 3: Cross multiply
    337,781.90x = 506,386.69 × 148,098.51
  4. Step 4: Simplify right side
    337,781.90x = 74,995,116,356.91
  5. Step 5: Solve for x
    x = 74,995,116,356.91/337,781.90
  6. Step 6: Final answer
    x = 222,022.30

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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.