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Finding the Fourth Proportional to 123,779.80, 185,669.52 and 44,893.84

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Solution

The fourth proportional to 123,779.80, 185,669.52 and 44,893.84 is: 67,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,779.80 : 185,669.52 = 44,893.84 : x
  2. Step 2: Convert to fraction form
    123,779.80/185,669.52 = 44,893.84/x
  3. Step 3: Cross multiply
    123,779.80x = 185,669.52 × 44,893.84
  4. Step 4: Simplify right side
    123,779.80x = 8,335,417,723.76
  5. Step 5: Solve for x
    x = 8,335,417,723.76/123,779.80
  6. Step 6: Final answer
    x = 67,340.69

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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.