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Finding the Fourth Proportional to 101,752.38, 140,393.25 and 60,929.91

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Solution

The fourth proportional to 101,752.38, 140,393.25 and 60,929.91 is: 84,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,752.38 : 140,393.25 = 60,929.91 : x
  2. Step 2: Convert to fraction form
    101,752.38/140,393.25 = 60,929.91/x
  3. Step 3: Cross multiply
    101,752.38x = 140,393.25 × 60,929.91
  4. Step 4: Simplify right side
    101,752.38x = 8,554,148,087.11
  5. Step 5: Solve for x
    x = 8,554,148,087.11/101,752.38
  6. Step 6: Final answer
    x = 84,068.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.