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Finding the Fourth Proportional to 64,167.60, 96,121.80 and 44,468.40

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Solution

The fourth proportional to 64,167.60, 96,121.80 and 44,468.40 is: 66,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167.60 : 96,121.80 = 44,468.40 : x
  2. Step 2: Convert to fraction form
    64,167.60/96,121.80 = 44,468.40/x
  3. Step 3: Cross multiply
    64,167.60x = 96,121.80 × 44,468.40
  4. Step 4: Simplify right side
    64,167.60x = 4,274,382,651.12
  5. Step 5: Solve for x
    x = 4,274,382,651.12/64,167.60
  6. Step 6: Final answer
    x = 66,612.79

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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.