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Finding the Fourth Proportional to 67,779.66, 101,672.73 and 32,748.78

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Solution

The fourth proportional to 67,779.66, 101,672.73 and 32,748.78 is: 49,124.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.66 : 101,672.73 = 32,748.78 : x
  2. Step 2: Convert to fraction form
    67,779.66/101,672.73 = 32,748.78/x
  3. Step 3: Cross multiply
    67,779.66x = 101,672.73 × 32,748.78
  4. Step 4: Simplify right side
    67,779.66x = 3,329,657,866.77
  5. Step 5: Solve for x
    x = 3,329,657,866.77/67,779.66
  6. Step 6: Final answer
    x = 49,124.74

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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.