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Finding the Fourth Proportional to 337,853.38, 506,762.31 and 85,133.69

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Solution

The fourth proportional to 337,853.38, 506,762.31 and 85,133.69 is: 127,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,853.38 : 506,762.31 = 85,133.69 : x
  2. Step 2: Convert to fraction form
    337,853.38/506,762.31 = 85,133.69/x
  3. Step 3: Cross multiply
    337,853.38x = 506,762.31 × 85,133.69
  4. Step 4: Simplify right side
    337,853.38x = 43,142,545,403.22
  5. Step 5: Solve for x
    x = 43,142,545,403.22/337,853.38
  6. Step 6: Final answer
    x = 127,696.06

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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.