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Finding the Fourth Proportional to 251,680.77, 377,652.41 and 102,031.65

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Solution

The fourth proportional to 251,680.77, 377,652.41 and 102,031.65 is: 153,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,680.77 : 377,652.41 = 102,031.65 : x
  2. Step 2: Convert to fraction form
    251,680.77/377,652.41 = 102,031.65/x
  3. Step 3: Cross multiply
    251,680.77x = 377,652.41 × 102,031.65
  4. Step 4: Simplify right side
    251,680.77x = 38,532,498,008.62
  5. Step 5: Solve for x
    x = 38,532,498,008.62/251,680.77
  6. Step 6: Final answer
    x = 153,100.68

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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.