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Finding the Fourth Proportional to 132,779.63, 199,228.33 and 69,584.74

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Solution

The fourth proportional to 132,779.63, 199,228.33 and 69,584.74 is: 104,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.63 : 199,228.33 = 69,584.74 : x
  2. Step 2: Convert to fraction form
    132,779.63/199,228.33 = 69,584.74/x
  3. Step 3: Cross multiply
    132,779.63x = 199,228.33 × 69,584.74
  4. Step 4: Simplify right side
    132,779.63x = 13,863,251,132.59
  5. Step 5: Solve for x
    x = 13,863,251,132.59/132,779.63
  6. Step 6: Final answer
    x = 104,407.96

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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.