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Finding the Fourth Proportional to 132,673.20, 199,034.10 and 53,795.40

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Solution

The fourth proportional to 132,673.20, 199,034.10 and 53,795.40 is: 80,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,673.20 : 199,034.10 = 53,795.40 : x
  2. Step 2: Convert to fraction form
    132,673.20/199,034.10 = 53,795.40/x
  3. Step 3: Cross multiply
    132,673.20x = 199,034.10 × 53,795.40
  4. Step 4: Simplify right side
    132,673.20x = 10,707,119,023.14
  5. Step 5: Solve for x
    x = 10,707,119,023.14/132,673.20
  6. Step 6: Final answer
    x = 80,702.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.