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Finding the Fourth Proportional to 67,443.40, 101,165.10 and 32,374.60

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Solution

The fourth proportional to 67,443.40, 101,165.10 and 32,374.60 is: 48,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,443.40 : 101,165.10 = 32,374.60 : x
  2. Step 2: Convert to fraction form
    67,443.40/101,165.10 = 32,374.60/x
  3. Step 3: Cross multiply
    67,443.40x = 101,165.10 × 32,374.60
  4. Step 4: Simplify right side
    67,443.40x = 3,275,179,646.46
  5. Step 5: Solve for x
    x = 3,275,179,646.46/67,443.40
  6. Step 6: Final answer
    x = 48,561.90

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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.