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Finding the Fourth Proportional to 250,580.52, 345,748.77 and 159,878.70

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Solution

The fourth proportional to 250,580.52, 345,748.77 and 159,878.70 is: 220,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,580.52 : 345,748.77 = 159,878.70 : x
  2. Step 2: Convert to fraction form
    250,580.52/345,748.77 = 159,878.70/x
  3. Step 3: Cross multiply
    250,580.52x = 345,748.77 × 159,878.70
  4. Step 4: Simplify right side
    250,580.52x = 55,277,863,874.20
  5. Step 5: Solve for x
    x = 55,277,863,874.20/250,580.52
  6. Step 6: Final answer
    x = 220,599.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.