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Finding the Fourth Proportional to 67,002.60, 100,358.10 and 58,254.60

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Solution

The fourth proportional to 67,002.60, 100,358.10 and 58,254.60 is: 87,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,002.60 : 100,358.10 = 58,254.60 : x
  2. Step 2: Convert to fraction form
    67,002.60/100,358.10 = 58,254.60/x
  3. Step 3: Cross multiply
    67,002.60x = 100,358.10 × 58,254.60
  4. Step 4: Simplify right side
    67,002.60x = 5,846,320,972.26
  5. Step 5: Solve for x
    x = 5,846,320,972.26/67,002.60
  6. Step 6: Final answer
    x = 87,255.14

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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.