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Finding the Fourth Proportional to 67,232.20, 100,880.70 and 47,468.20

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Solution

The fourth proportional to 67,232.20, 100,880.70 and 47,468.20 is: 71,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,232.20 : 100,880.70 = 47,468.20 : x
  2. Step 2: Convert to fraction form
    67,232.20/100,880.70 = 47,468.20/x
  3. Step 3: Cross multiply
    67,232.20x = 100,880.70 × 47,468.20
  4. Step 4: Simplify right side
    67,232.20x = 4,788,625,243.74
  5. Step 5: Solve for x
    x = 4,788,625,243.74/67,232.20
  6. Step 6: Final answer
    x = 71,225.18

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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.