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Finding the Fourth Proportional to 365,152.89, 547,678.30 and 125,262.87

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Solution

The fourth proportional to 365,152.89, 547,678.30 and 125,262.87 is: 187,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,152.89 : 547,678.30 = 125,262.87 : x
  2. Step 2: Convert to fraction form
    365,152.89/547,678.30 = 125,262.87/x
  3. Step 3: Cross multiply
    365,152.89x = 547,678.30 × 125,262.87
  4. Step 4: Simplify right side
    365,152.89x = 68,603,755,381.56
  5. Step 5: Solve for x
    x = 68,603,755,381.56/365,152.89
  6. Step 6: Final answer
    x = 187,876.80

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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.