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Finding the Fourth Proportional to 205,086.79, 307,528.85 and 62,897.97

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Solution

The fourth proportional to 205,086.79, 307,528.85 and 62,897.97 is: 94,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,086.79 : 307,528.85 = 62,897.97 : x
  2. Step 2: Convert to fraction form
    205,086.79/307,528.85 = 62,897.97/x
  3. Step 3: Cross multiply
    205,086.79x = 307,528.85 × 62,897.97
  4. Step 4: Simplify right side
    205,086.79x = 19,342,941,691.91
  5. Step 5: Solve for x
    x = 19,342,941,691.91/205,086.79
  6. Step 6: Final answer
    x = 94,315.88

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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.