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Finding the Fourth Proportional to 67,422.34, 101,102.24 and 39,350.50

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Solution

The fourth proportional to 67,422.34, 101,102.24 and 39,350.50 is: 59,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,422.34 : 101,102.24 = 39,350.50 : x
  2. Step 2: Convert to fraction form
    67,422.34/101,102.24 = 39,350.50/x
  3. Step 3: Cross multiply
    67,422.34x = 101,102.24 × 39,350.50
  4. Step 4: Simplify right side
    67,422.34x = 3,978,423,695.12
  5. Step 5: Solve for x
    x = 3,978,423,695.12/67,422.34
  6. Step 6: Final answer
    x = 59,007.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.