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Finding the Fourth Proportional to 60,884.76, 91,345.60 and 43,149.71

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Solution

The fourth proportional to 60,884.76, 91,345.60 and 43,149.71 is: 64,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,884.76 : 91,345.60 = 43,149.71 : x
  2. Step 2: Convert to fraction form
    60,884.76/91,345.60 = 43,149.71/x
  3. Step 3: Cross multiply
    60,884.76x = 91,345.60 × 43,149.71
  4. Step 4: Simplify right side
    60,884.76x = 3,941,536,149.78
  5. Step 5: Solve for x
    x = 3,941,536,149.78/60,884.76
  6. Step 6: Final answer
    x = 64,737.65

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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.