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Finding the Fourth Proportional to 79,234.62, 109,280.79 and 67,337.34

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Solution

The fourth proportional to 79,234.62, 109,280.79 and 67,337.34 is: 92,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,234.62 : 109,280.79 = 67,337.34 : x
  2. Step 2: Convert to fraction form
    79,234.62/109,280.79 = 67,337.34/x
  3. Step 3: Cross multiply
    79,234.62x = 109,280.79 × 67,337.34
  4. Step 4: Simplify right side
    79,234.62x = 7,358,677,711.70
  5. Step 5: Solve for x
    x = 7,358,677,711.70/79,234.62
  6. Step 6: Final answer
    x = 92,872.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.