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Finding the Fourth Proportional to 104,377.28, 156,369.08 and 80,888.92

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Solution

The fourth proportional to 104,377.28, 156,369.08 and 80,888.92 is: 121,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,377.28 : 156,369.08 = 80,888.92 : x
  2. Step 2: Convert to fraction form
    104,377.28/156,369.08 = 80,888.92/x
  3. Step 3: Cross multiply
    104,377.28x = 156,369.08 × 80,888.92
  4. Step 4: Simplify right side
    104,377.28x = 12,648,526,002.59
  5. Step 5: Solve for x
    x = 12,648,526,002.59/104,377.28
  6. Step 6: Final answer
    x = 121,180.84

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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.