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Finding the Fourth Proportional to 96,000.40, 143,806.20 and 54,398.80

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Solution

The fourth proportional to 96,000.40, 143,806.20 and 54,398.80 is: 81,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,000.40 : 143,806.20 = 54,398.80 : x
  2. Step 2: Convert to fraction form
    96,000.40/143,806.20 = 54,398.80/x
  3. Step 3: Cross multiply
    96,000.40x = 143,806.20 × 54,398.80
  4. Step 4: Simplify right side
    96,000.40x = 7,822,884,712.56
  5. Step 5: Solve for x
    x = 7,822,884,712.56/96,000.40
  6. Step 6: Final answer
    x = 81,488.04

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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.