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Finding the Fourth Proportional to 125,378.80, 188,066.22 and 50,497.18

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Solution

The fourth proportional to 125,378.80, 188,066.22 and 50,497.18 is: 75,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,378.80 : 188,066.22 = 50,497.18 : x
  2. Step 2: Convert to fraction form
    125,378.80/188,066.22 = 50,497.18/x
  3. Step 3: Cross multiply
    125,378.80x = 188,066.22 × 50,497.18
  4. Step 4: Simplify right side
    125,378.80x = 9,496,813,763.26
  5. Step 5: Solve for x
    x = 9,496,813,763.26/125,378.80
  6. Step 6: Final answer
    x = 75,744.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.