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Finding the Fourth Proportional to 67,737.60, 101,433.60 and 53,913.60

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Solution

The fourth proportional to 67,737.60, 101,433.60 and 53,913.60 is: 80,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,737.60 : 101,433.60 = 53,913.60 : x
  2. Step 2: Convert to fraction form
    67,737.60/101,433.60 = 53,913.60/x
  3. Step 3: Cross multiply
    67,737.60x = 101,433.60 × 53,913.60
  4. Step 4: Simplify right side
    67,737.60x = 5,468,650,536.96
  5. Step 5: Solve for x
    x = 5,468,650,536.96/67,737.60
  6. Step 6: Final answer
    x = 80,732.87

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1.5x scale

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.