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Finding the Fourth Proportional to 122,732.46, 169,369.72 and 69,016.33

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Solution

The fourth proportional to 122,732.46, 169,369.72 and 69,016.33 is: 95,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,732.46 : 169,369.72 = 69,016.33 : x
  2. Step 2: Convert to fraction form
    122,732.46/169,369.72 = 69,016.33/x
  3. Step 3: Cross multiply
    122,732.46x = 169,369.72 × 69,016.33
  4. Step 4: Simplify right side
    122,732.46x = 11,689,276,487.53
  5. Step 5: Solve for x
    x = 11,689,276,487.53/122,732.46
  6. Step 6: Final answer
    x = 95,241.93

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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.