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Finding the Fourth Proportional to 179,069.76, 247,121.76 and 98,500.80

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Solution

The fourth proportional to 179,069.76, 247,121.76 and 98,500.80 is: 135,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,069.76 : 247,121.76 = 98,500.80 : x
  2. Step 2: Convert to fraction form
    179,069.76/247,121.76 = 98,500.80/x
  3. Step 3: Cross multiply
    179,069.76x = 247,121.76 × 98,500.80
  4. Step 4: Simplify right side
    179,069.76x = 24,341,691,057.41
  5. Step 5: Solve for x
    x = 24,341,691,057.41/179,069.76
  6. Step 6: Final answer
    x = 135,934.12

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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.