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Finding the Fourth Proportional to 250,652.66, 376,001.15 and 70,739.69

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Solution

The fourth proportional to 250,652.66, 376,001.15 and 70,739.69 is: 106,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,652.66 : 376,001.15 = 70,739.69 : x
  2. Step 2: Convert to fraction form
    250,652.66/376,001.15 = 70,739.69/x
  3. Step 3: Cross multiply
    250,652.66x = 376,001.15 × 70,739.69
  4. Step 4: Simplify right side
    250,652.66x = 26,598,202,556.94
  5. Step 5: Solve for x
    x = 26,598,202,556.94/250,652.66
  6. Step 6: Final answer
    x = 106,115.78

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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.