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Finding the Fourth Proportional to 139,744.29, 209,587.04 and 44,982.95

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Solution

The fourth proportional to 139,744.29, 209,587.04 and 44,982.95 is: 67,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,744.29 : 209,587.04 = 44,982.95 : x
  2. Step 2: Convert to fraction form
    139,744.29/209,587.04 = 44,982.95/x
  3. Step 3: Cross multiply
    139,744.29x = 209,587.04 × 44,982.95
  4. Step 4: Simplify right side
    139,744.29x = 9,427,842,489.83
  5. Step 5: Solve for x
    x = 9,427,842,489.83/139,744.29
  6. Step 6: Final answer
    x = 67,464.96

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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.