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Finding the Fourth Proportional to 132,496.70, 182,843.87 and 72,066.04

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Solution

The fourth proportional to 132,496.70, 182,843.87 and 72,066.04 is: 99,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,496.70 : 182,843.87 = 72,066.04 : x
  2. Step 2: Convert to fraction form
    132,496.70/182,843.87 = 72,066.04/x
  3. Step 3: Cross multiply
    132,496.70x = 182,843.87 × 72,066.04
  4. Step 4: Simplify right side
    132,496.70x = 13,176,832,831.73
  5. Step 5: Solve for x
    x = 13,176,832,831.73/132,496.70
  6. Step 6: Final answer
    x = 99,450.28

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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.