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Finding the Fourth Proportional to 132,394.85, 182,704.15 and 75,045.01

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Solution

The fourth proportional to 132,394.85, 182,704.15 and 75,045.01 is: 103,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,394.85 : 182,704.15 = 75,045.01 : x
  2. Step 2: Convert to fraction form
    132,394.85/182,704.15 = 75,045.01/x
  3. Step 3: Cross multiply
    132,394.85x = 182,704.15 × 75,045.01
  4. Step 4: Simplify right side
    132,394.85x = 13,711,034,763.79
  5. Step 5: Solve for x
    x = 13,711,034,763.79/132,394.85
  6. Step 6: Final answer
    x = 103,561.69

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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.