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Finding the Fourth Proportional to 96,000.80, 144,001.20 and 29,440.40

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Solution

The fourth proportional to 96,000.80, 144,001.20 and 29,440.40 is: 44,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,000.80 : 144,001.20 = 29,440.40 : x
  2. Step 2: Convert to fraction form
    96,000.80/144,001.20 = 29,440.40/x
  3. Step 3: Cross multiply
    96,000.80x = 144,001.20 × 29,440.40
  4. Step 4: Simplify right side
    96,000.80x = 4,239,452,928.48
  5. Step 5: Solve for x
    x = 4,239,452,928.48/96,000.80
  6. Step 6: Final answer
    x = 44,160.60

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Similar ratio
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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.