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Finding the Fourth Proportional to 122,597.86, 169,185.20 and 68,882.84

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Solution

The fourth proportional to 122,597.86, 169,185.20 and 68,882.84 is: 95,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,597.86 : 169,185.20 = 68,882.84 : x
  2. Step 2: Convert to fraction form
    122,597.86/169,185.20 = 68,882.84/x
  3. Step 3: Cross multiply
    122,597.86x = 169,185.20 × 68,882.84
  4. Step 4: Simplify right side
    122,597.86x = 11,653,957,061.97
  5. Step 5: Solve for x
    x = 11,653,957,061.97/122,597.86
  6. Step 6: Final answer
    x = 95,058.41

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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.