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Finding the Fourth Proportional to 67,468.80, 101,008.80 and 60,470.40

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Solution

The fourth proportional to 67,468.80, 101,008.80 and 60,470.40 is: 90,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,468.80 : 101,008.80 = 60,470.40 : x
  2. Step 2: Convert to fraction form
    67,468.80/101,008.80 = 60,470.40/x
  3. Step 3: Cross multiply
    67,468.80x = 101,008.80 × 60,470.40
  4. Step 4: Simplify right side
    67,468.80x = 6,108,042,539.52
  5. Step 5: Solve for x
    x = 6,108,042,539.52/67,468.80
  6. Step 6: Final answer
    x = 90,531.36

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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.