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Finding the Fourth Proportional to 67,874.18, 101,260.15 and 64,200.02

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Solution

The fourth proportional to 67,874.18, 101,260.15 and 64,200.02 is: 95,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,874.18 : 101,260.15 = 64,200.02 : x
  2. Step 2: Convert to fraction form
    67,874.18/101,260.15 = 64,200.02/x
  3. Step 3: Cross multiply
    67,874.18x = 101,260.15 × 64,200.02
  4. Step 4: Simplify right side
    67,874.18x = 6,500,903,655.20
  5. Step 5: Solve for x
    x = 6,500,903,655.20/67,874.18
  6. Step 6: Final answer
    x = 95,778.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.