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Finding the Fourth Proportional to 139,521.83, 209,283.65 and 44,766.41

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Solution

The fourth proportional to 139,521.83, 209,283.65 and 44,766.41 is: 67,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,521.83 : 209,283.65 = 44,766.41 : x
  2. Step 2: Convert to fraction form
    139,521.83/209,283.65 = 44,766.41/x
  3. Step 3: Cross multiply
    139,521.83x = 209,283.65 × 44,766.41
  4. Step 4: Simplify right side
    139,521.83x = 9,368,876,579.82
  5. Step 5: Solve for x
    x = 9,368,876,579.82/139,521.83
  6. Step 6: Final answer
    x = 67,149.90

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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.