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Finding the Fourth Proportional to 132,473.88, 182,721.42 and 89,958.60

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Solution

The fourth proportional to 132,473.88, 182,721.42 and 89,958.60 is: 124,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,473.88 : 182,721.42 = 89,958.60 : x
  2. Step 2: Convert to fraction form
    132,473.88/182,721.42 = 89,958.60/x
  3. Step 3: Cross multiply
    132,473.88x = 182,721.42 × 89,958.60
  4. Step 4: Simplify right side
    132,473.88x = 16,437,363,133.21
  5. Step 5: Solve for x
    x = 16,437,363,133.21/132,473.88
  6. Step 6: Final answer
    x = 124,080.03

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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.