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Finding the Fourth Proportional to 64,352.80, 96,644.40 and 62,279.20

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Solution

The fourth proportional to 64,352.80, 96,644.40 and 62,279.20 is: 93,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,352.80 : 96,644.40 = 62,279.20 : x
  2. Step 2: Convert to fraction form
    64,352.80/96,644.40 = 62,279.20/x
  3. Step 3: Cross multiply
    64,352.80x = 96,644.40 × 62,279.20
  4. Step 4: Simplify right side
    64,352.80x = 6,018,935,916.48
  5. Step 5: Solve for x
    x = 6,018,935,916.48/64,352.80
  6. Step 6: Final answer
    x = 93,530.29

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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.