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Finding the Fourth Proportional to 67,269.60, 100,904.40 and 62,215.20

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Solution

The fourth proportional to 67,269.60, 100,904.40 and 62,215.20 is: 93,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,269.60 : 100,904.40 = 62,215.20 : x
  2. Step 2: Convert to fraction form
    67,269.60/100,904.40 = 62,215.20/x
  3. Step 3: Cross multiply
    67,269.60x = 100,904.40 × 62,215.20
  4. Step 4: Simplify right side
    67,269.60x = 6,277,787,426.88
  5. Step 5: Solve for x
    x = 6,277,787,426.88/67,269.60
  6. Step 6: Final answer
    x = 93,322.80

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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.