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Finding the Fourth Proportional to 251,483.13, 377,279.71 and 109,350.34

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Solution

The fourth proportional to 251,483.13, 377,279.71 and 109,350.34 is: 164,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,483.13 : 377,279.71 = 109,350.34 : x
  2. Step 2: Convert to fraction form
    251,483.13/377,279.71 = 109,350.34/x
  3. Step 3: Cross multiply
    251,483.13x = 377,279.71 × 109,350.34
  4. Step 4: Simplify right side
    251,483.13x = 41,255,665,400.00
  5. Step 5: Solve for x
    x = 41,255,665,400.00/251,483.13
  6. Step 6: Final answer
    x = 164,049.44

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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.