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Finding the Fourth Proportional to 132,779.57, 199,169.35 and 49,654.13

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Solution

The fourth proportional to 132,779.57, 199,169.35 and 49,654.13 is: 74,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.57 : 199,169.35 = 49,654.13 : x
  2. Step 2: Convert to fraction form
    132,779.57/199,169.35 = 49,654.13/x
  3. Step 3: Cross multiply
    132,779.57x = 199,169.35 × 49,654.13
  4. Step 4: Simplify right side
    132,779.57x = 9,889,579,676.93
  5. Step 5: Solve for x
    x = 9,889,579,676.93/132,779.57
  6. Step 6: Final answer
    x = 74,481.19

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1.5x scale

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.