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Finding the Fourth Proportional to 64,439.01, 88,723.76 and 58,534.11

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Solution

The fourth proportional to 64,439.01, 88,723.76 and 58,534.11 is: 80,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,439.01 : 88,723.76 = 58,534.11 : x
  2. Step 2: Convert to fraction form
    64,439.01/88,723.76 = 58,534.11/x
  3. Step 3: Cross multiply
    64,439.01x = 88,723.76 × 58,534.11
  4. Step 4: Simplify right side
    64,439.01x = 5,193,366,034.78
  5. Step 5: Solve for x
    x = 5,193,366,034.78/64,439.01
  6. Step 6: Final answer
    x = 80,593.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.