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Finding the Fourth Proportional to 282,908.70, 424,350.90 and 95,920.20

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Solution

The fourth proportional to 282,908.70, 424,350.90 and 95,920.20 is: 143,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,908.70 : 424,350.90 = 95,920.20 : x
  2. Step 2: Convert to fraction form
    282,908.70/424,350.90 = 95,920.20/x
  3. Step 3: Cross multiply
    282,908.70x = 424,350.90 × 95,920.20
  4. Step 4: Simplify right side
    282,908.70x = 40,703,823,198.18
  5. Step 5: Solve for x
    x = 40,703,823,198.18/282,908.70
  6. Step 6: Final answer
    x = 143,876.18

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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.