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Finding the Fourth Proportional to 250,466.58, 345,648.06 and 135,748.89

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Solution

The fourth proportional to 250,466.58, 345,648.06 and 135,748.89 is: 187,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,466.58 : 345,648.06 = 135,748.89 : x
  2. Step 2: Convert to fraction form
    250,466.58/345,648.06 = 135,748.89/x
  3. Step 3: Cross multiply
    250,466.58x = 345,648.06 × 135,748.89
  4. Step 4: Simplify right side
    250,466.58x = 46,921,340,475.65
  5. Step 5: Solve for x
    x = 46,921,340,475.65/250,466.58
  6. Step 6: Final answer
    x = 187,335.73

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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.