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Finding the Fourth Proportional to 67,405.60, 101,108.40 and 36,301.60

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Solution

The fourth proportional to 67,405.60, 101,108.40 and 36,301.60 is: 54,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,405.60 : 101,108.40 = 36,301.60 : x
  2. Step 2: Convert to fraction form
    67,405.60/101,108.40 = 36,301.60/x
  3. Step 3: Cross multiply
    67,405.60x = 101,108.40 × 36,301.60
  4. Step 4: Simplify right side
    67,405.60x = 3,670,396,693.44
  5. Step 5: Solve for x
    x = 3,670,396,693.44/67,405.60
  6. Step 6: Final answer
    x = 54,452.40

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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.