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Finding the Fourth Proportional to 64,374.60, 96,561.90 and 58,672.20

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Solution

The fourth proportional to 64,374.60, 96,561.90 and 58,672.20 is: 88,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,374.60 : 96,561.90 = 58,672.20 : x
  2. Step 2: Convert to fraction form
    64,374.60/96,561.90 = 58,672.20/x
  3. Step 3: Cross multiply
    64,374.60x = 96,561.90 × 58,672.20
  4. Step 4: Simplify right side
    64,374.60x = 5,665,499,109.18
  5. Step 5: Solve for x
    x = 5,665,499,109.18/64,374.60
  6. Step 6: Final answer
    x = 88,008.30

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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.