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Finding the Fourth Proportional to 125,463.97, 188,052.78 and 50,536.13

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Solution

The fourth proportional to 125,463.97, 188,052.78 and 50,536.13 is: 75,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,463.97 : 188,052.78 = 50,536.13 : x
  2. Step 2: Convert to fraction form
    125,463.97/188,052.78 = 50,536.13/x
  3. Step 3: Cross multiply
    125,463.97x = 188,052.78 × 50,536.13
  4. Step 4: Simplify right side
    125,463.97x = 9,503,459,484.26
  5. Step 5: Solve for x
    x = 9,503,459,484.26/125,463.97
  6. Step 6: Final answer
    x = 75,746.52

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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.