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Finding the Fourth Proportional to 251,657.46, 377,212.44 and 125,391

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Solution

The fourth proportional to 251,657.46, 377,212.44 and 125,391 is: 187,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,657.46 : 377,212.44 = 125,391 : x
  2. Step 2: Convert to fraction form
    251,657.46/377,212.44 = 125,391/x
  3. Step 3: Cross multiply
    251,657.46x = 377,212.44 × 125,391
  4. Step 4: Simplify right side
    251,657.46x = 47,299,045,064.04
  5. Step 5: Solve for x
    x = 47,299,045,064.04/251,657.46
  6. Step 6: Final answer
    x = 187,950.10

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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.