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Finding the Fourth Proportional to 132,572.39, 182,949.64 and 75,222.97

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Solution

The fourth proportional to 132,572.39, 182,949.64 and 75,222.97 is: 103,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,572.39 : 182,949.64 = 75,222.97 : x
  2. Step 2: Convert to fraction form
    132,572.39/182,949.64 = 75,222.97/x
  3. Step 3: Cross multiply
    132,572.39x = 182,949.64 × 75,222.97
  4. Step 4: Simplify right side
    132,572.39x = 13,762,015,281.23
  5. Step 5: Solve for x
    x = 13,762,015,281.23/132,572.39
  6. Step 6: Final answer
    x = 103,807.55

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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.