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Finding the Fourth Proportional to 71,752.52, 98,949.84 and 54,726.56

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Solution

The fourth proportional to 71,752.52, 98,949.84 and 54,726.56 is: 75,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,752.52 : 98,949.84 = 54,726.56 : x
  2. Step 2: Convert to fraction form
    71,752.52/98,949.84 = 54,726.56/x
  3. Step 3: Cross multiply
    71,752.52x = 98,949.84 × 54,726.56
  4. Step 4: Simplify right side
    71,752.52x = 5,415,184,355.75
  5. Step 5: Solve for x
    x = 5,415,184,355.75/71,752.52
  6. Step 6: Final answer
    x = 75,470.30

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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.