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Finding the Fourth Proportional to 118,737.40, 177,846.90 and 92,234.20

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Solution

The fourth proportional to 118,737.40, 177,846.90 and 92,234.20 is: 138,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,737.40 : 177,846.90 = 92,234.20 : x
  2. Step 2: Convert to fraction form
    118,737.40/177,846.90 = 92,234.20/x
  3. Step 3: Cross multiply
    118,737.40x = 177,846.90 × 92,234.20
  4. Step 4: Simplify right side
    118,737.40x = 16,403,566,543.98
  5. Step 5: Solve for x
    x = 16,403,566,543.98/118,737.40
  6. Step 6: Final answer
    x = 138,149.96

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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.