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Finding the Fourth Proportional to 132,425.34, 182,743.12 and 75,069.98

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Solution

The fourth proportional to 132,425.34, 182,743.12 and 75,069.98 is: 103,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,425.34 : 182,743.12 = 75,069.98 : x
  2. Step 2: Convert to fraction form
    132,425.34/182,743.12 = 75,069.98/x
  3. Step 3: Cross multiply
    132,425.34x = 182,743.12 × 75,069.98
  4. Step 4: Simplify right side
    132,425.34x = 13,718,522,363.54
  5. Step 5: Solve for x
    x = 13,718,522,363.54/132,425.34
  6. Step 6: Final answer
    x = 103,594.39

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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.