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Finding the Fourth Proportional to 64,398.80, 96,713.40 and 62,325.20

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Solution

The fourth proportional to 64,398.80, 96,713.40 and 62,325.20 is: 93,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,398.80 : 96,713.40 = 62,325.20 : x
  2. Step 2: Convert to fraction form
    64,398.80/96,713.40 = 62,325.20/x
  3. Step 3: Cross multiply
    64,398.80x = 96,713.40 × 62,325.20
  4. Step 4: Simplify right side
    64,398.80x = 6,027,681,997.68
  5. Step 5: Solve for x
    x = 6,027,681,997.68/64,398.80
  6. Step 6: Final answer
    x = 93,599.29

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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.