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Finding the Fourth Proportional to 276,050.88, 413,781.08 and 126,066.42

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Solution

The fourth proportional to 276,050.88, 413,781.08 and 126,066.42 is: 188,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,050.88 : 413,781.08 = 126,066.42 : x
  2. Step 2: Convert to fraction form
    276,050.88/413,781.08 = 126,066.42/x
  3. Step 3: Cross multiply
    276,050.88x = 413,781.08 × 126,066.42
  4. Step 4: Simplify right side
    276,050.88x = 52,163,899,564.84
  5. Step 5: Solve for x
    x = 52,163,899,564.84/276,050.88
  6. Step 6: Final answer
    x = 188,964.80

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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.