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Finding the Fourth Proportional to 60,883.76, 91,344.10 and 43,148.71

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Solution

The fourth proportional to 60,883.76, 91,344.10 and 43,148.71 is: 64,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,883.76 : 91,344.10 = 43,148.71 : x
  2. Step 2: Convert to fraction form
    60,883.76/91,344.10 = 43,148.71/x
  3. Step 3: Cross multiply
    60,883.76x = 91,344.10 × 43,148.71
  4. Step 4: Simplify right side
    60,883.76x = 3,941,380,081.11
  5. Step 5: Solve for x
    x = 3,941,380,081.11/60,883.76
  6. Step 6: Final answer
    x = 64,736.15

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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.