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Finding the Fourth Proportional to 88,715.90, 133,073.85 and 82,300.70

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Solution

The fourth proportional to 88,715.90, 133,073.85 and 82,300.70 is: 123,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715.90 : 133,073.85 = 82,300.70 : x
  2. Step 2: Convert to fraction form
    88,715.90/133,073.85 = 82,300.70/x
  3. Step 3: Cross multiply
    88,715.90x = 133,073.85 × 82,300.70
  4. Step 4: Simplify right side
    88,715.90x = 10,952,071,006.70
  5. Step 5: Solve for x
    x = 10,952,071,006.70/88,715.90
  6. Step 6: Final answer
    x = 123,451.05

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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.