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Finding the Fourth Proportional to 64,372.80, 96,559.20 and 58,843.20

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Solution

The fourth proportional to 64,372.80, 96,559.20 and 58,843.20 is: 88,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,372.80 : 96,559.20 = 58,843.20 : x
  2. Step 2: Convert to fraction form
    64,372.80/96,559.20 = 58,843.20/x
  3. Step 3: Cross multiply
    64,372.80x = 96,559.20 × 58,843.20
  4. Step 4: Simplify right side
    64,372.80x = 5,681,852,317.44
  5. Step 5: Solve for x
    x = 5,681,852,317.44/64,372.80
  6. Step 6: Final answer
    x = 88,264.80

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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.