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Finding the Fourth Proportional to 374,174.82, 561,267.09 and 124,856.82

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Solution

The fourth proportional to 374,174.82, 561,267.09 and 124,856.82 is: 187,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,174.82 : 561,267.09 = 124,856.82 : x
  2. Step 2: Convert to fraction form
    374,174.82/561,267.09 = 124,856.82/x
  3. Step 3: Cross multiply
    374,174.82x = 561,267.09 × 124,856.82
  4. Step 4: Simplify right side
    374,174.82x = 70,078,024,028.05
  5. Step 5: Solve for x
    x = 70,078,024,028.05/374,174.82
  6. Step 6: Final answer
    x = 187,286.85

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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.