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Finding the Fourth Proportional to 132,779.33, 199,227.87 and 69,584.43

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Solution

The fourth proportional to 132,779.33, 199,227.87 and 69,584.43 is: 104,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.33 : 199,227.87 = 69,584.43 : x
  2. Step 2: Convert to fraction form
    132,779.33/199,227.87 = 69,584.43/x
  3. Step 3: Cross multiply
    132,779.33x = 199,227.87 × 69,584.43
  4. Step 4: Simplify right side
    132,779.33x = 13,863,156,840.18
  5. Step 5: Solve for x
    x = 13,863,156,840.18/132,779.33
  6. Step 6: Final answer
    x = 104,407.50

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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.