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Finding the Fourth Proportional to 60,753.66, 91,248.76 and 49,517.31

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Solution

The fourth proportional to 60,753.66, 91,248.76 and 49,517.31 is: 74,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,753.66 : 91,248.76 = 49,517.31 : x
  2. Step 2: Convert to fraction form
    60,753.66/91,248.76 = 49,517.31/x
  3. Step 3: Cross multiply
    60,753.66x = 91,248.76 × 49,517.31
  4. Step 4: Simplify right side
    60,753.66x = 4,518,392,670.06
  5. Step 5: Solve for x
    x = 4,518,392,670.06/60,753.66
  6. Step 6: Final answer
    x = 74,372.35

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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.