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Finding the Fourth Proportional to 82,363.80, 123,545.70 and 23,198.70

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Solution

The fourth proportional to 82,363.80, 123,545.70 and 23,198.70 is: 34,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,363.80 : 123,545.70 = 23,198.70 : x
  2. Step 2: Convert to fraction form
    82,363.80/123,545.70 = 23,198.70/x
  3. Step 3: Cross multiply
    82,363.80x = 123,545.70 × 23,198.70
  4. Step 4: Simplify right side
    82,363.80x = 2,866,099,630.59
  5. Step 5: Solve for x
    x = 2,866,099,630.59/82,363.80
  6. Step 6: Final answer
    x = 34,798.05

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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.