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Finding the Fourth Proportional to 253,049.39, 379,199.56 and 110,763.17

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Solution

The fourth proportional to 253,049.39, 379,199.56 and 110,763.17 is: 165,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,049.39 : 379,199.56 = 110,763.17 : x
  2. Step 2: Convert to fraction form
    253,049.39/379,199.56 = 110,763.17/x
  3. Step 3: Cross multiply
    253,049.39x = 379,199.56 × 110,763.17
  4. Step 4: Simplify right side
    253,049.39x = 42,001,345,328.21
  5. Step 5: Solve for x
    x = 42,001,345,328.21/253,049.39
  6. Step 6: Final answer
    x = 165,980.82

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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.