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Finding the Fourth Proportional to 250,752.15, 376,126.92 and 61,213.52

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Solution

The fourth proportional to 250,752.15, 376,126.92 and 61,213.52 is: 91,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,752.15 : 376,126.92 = 61,213.52 : x
  2. Step 2: Convert to fraction form
    250,752.15/376,126.92 = 61,213.52/x
  3. Step 3: Cross multiply
    250,752.15x = 376,126.92 × 61,213.52
  4. Step 4: Simplify right side
    250,752.15x = 23,024,051,392.40
  5. Step 5: Solve for x
    x = 23,024,051,392.40/250,752.15
  6. Step 6: Final answer
    x = 91,819.96

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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.