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Finding the Fourth Proportional to 95,570.76, 131,693.27 and 73,929.09

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Solution

The fourth proportional to 95,570.76, 131,693.27 and 73,929.09 is: 101,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,570.76 : 131,693.27 = 73,929.09 : x
  2. Step 2: Convert to fraction form
    95,570.76/131,693.27 = 73,929.09/x
  3. Step 3: Cross multiply
    95,570.76x = 131,693.27 × 73,929.09
  4. Step 4: Simplify right side
    95,570.76x = 9,735,963,240.58
  5. Step 5: Solve for x
    x = 9,735,963,240.58/95,570.76
  6. Step 6: Final answer
    x = 101,871.78

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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.