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Finding the Fourth Proportional to 282,663.68, 423,732 and 95,545.12

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Solution

The fourth proportional to 282,663.68, 423,732 and 95,545.12 is: 143,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,663.68 : 423,732 = 95,545.12 : x
  2. Step 2: Convert to fraction form
    282,663.68/423,732 = 95,545.12/x
  3. Step 3: Cross multiply
    282,663.68x = 423,732 × 95,545.12
  4. Step 4: Simplify right side
    282,663.68x = 40,485,524,787.84
  5. Step 5: Solve for x
    x = 40,485,524,787.84/282,663.68
  6. Step 6: Final answer
    x = 143,228.61

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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.