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Finding the Fourth Proportional to 95,348.55, 131,630 and 67,179.99

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Solution

The fourth proportional to 95,348.55, 131,630 and 67,179.99 is: 92,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,348.55 : 131,630 = 67,179.99 : x
  2. Step 2: Convert to fraction form
    95,348.55/131,630 = 67,179.99/x
  3. Step 3: Cross multiply
    95,348.55x = 131,630 × 67,179.99
  4. Step 4: Simplify right side
    95,348.55x = 8,842,902,083.70
  5. Step 5: Solve for x
    x = 8,842,902,083.70/95,348.55
  6. Step 6: Final answer
    x = 92,742.91

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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.