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Finding the Fourth Proportional to 125,874.42, 188,812.13 and 50,995.98

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Solution

The fourth proportional to 125,874.42, 188,812.13 and 50,995.98 is: 76,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,874.42 : 188,812.13 = 50,995.98 : x
  2. Step 2: Convert to fraction form
    125,874.42/188,812.13 = 50,995.98/x
  3. Step 3: Cross multiply
    125,874.42x = 188,812.13 × 50,995.98
  4. Step 4: Simplify right side
    125,874.42x = 9,628,659,350.26
  5. Step 5: Solve for x
    x = 9,628,659,350.26/125,874.42
  6. Step 6: Final answer
    x = 76,494.17

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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.