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Finding the Fourth Proportional to 159,363.18, 239,192.46 and 80,532.90

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Solution

The fourth proportional to 159,363.18, 239,192.46 and 80,532.90 is: 120,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,363.18 : 239,192.46 = 80,532.90 : x
  2. Step 2: Convert to fraction form
    159,363.18/239,192.46 = 80,532.90/x
  3. Step 3: Cross multiply
    159,363.18x = 239,192.46 × 80,532.90
  4. Step 4: Simplify right side
    159,363.18x = 19,262,862,461.93
  5. Step 5: Solve for x
    x = 19,262,862,461.93/159,363.18
  6. Step 6: Final answer
    x = 120,873.98

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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.