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Finding the Fourth Proportional to 123,623.80, 170,600.10 and 67,035.17

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Solution

The fourth proportional to 123,623.80, 170,600.10 and 67,035.17 is: 92,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,623.80 : 170,600.10 = 67,035.17 : x
  2. Step 2: Convert to fraction form
    123,623.80/170,600.10 = 67,035.17/x
  3. Step 3: Cross multiply
    123,623.80x = 170,600.10 × 67,035.17
  4. Step 4: Simplify right side
    123,623.80x = 11,436,206,705.52
  5. Step 5: Solve for x
    x = 11,436,206,705.52/123,623.80
  6. Step 6: Final answer
    x = 92,508.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.