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Finding the Fourth Proportional to 60,513.60, 90,785.52 and 48,080.64

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Solution

The fourth proportional to 60,513.60, 90,785.52 and 48,080.64 is: 72,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,513.60 : 90,785.52 = 48,080.64 : x
  2. Step 2: Convert to fraction form
    60,513.60/90,785.52 = 48,080.64/x
  3. Step 3: Cross multiply
    60,513.60x = 90,785.52 × 48,080.64
  4. Step 4: Simplify right side
    60,513.60x = 4,365,025,904.33
  5. Step 5: Solve for x
    x = 4,365,025,904.33/60,513.60
  6. Step 6: Final answer
    x = 72,132.97

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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.