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Finding the Fourth Proportional to 63,385.80, 95,078.70 and 62,464.20

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Solution

The fourth proportional to 63,385.80, 95,078.70 and 62,464.20 is: 93,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,385.80 : 95,078.70 = 62,464.20 : x
  2. Step 2: Convert to fraction form
    63,385.80/95,078.70 = 62,464.20/x
  3. Step 3: Cross multiply
    63,385.80x = 95,078.70 × 62,464.20
  4. Step 4: Simplify right side
    63,385.80x = 5,939,014,932.54
  5. Step 5: Solve for x
    x = 5,939,014,932.54/63,385.80
  6. Step 6: Final answer
    x = 93,696.30

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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.