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Finding the Fourth Proportional to 96,521.60, 144,793.20 and 29,961.20

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Solution

The fourth proportional to 96,521.60, 144,793.20 and 29,961.20 is: 44,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,521.60 : 144,793.20 = 29,961.20 : x
  2. Step 2: Convert to fraction form
    96,521.60/144,793.20 = 29,961.20/x
  3. Step 3: Cross multiply
    96,521.60x = 144,793.20 × 29,961.20
  4. Step 4: Simplify right side
    96,521.60x = 4,338,178,023.84
  5. Step 5: Solve for x
    x = 4,338,178,023.84/96,521.60
  6. Step 6: Final answer
    x = 44,945.15

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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.