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Finding the Fourth Proportional to 254,371.80, 351,034.44 and 158,933.85

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Solution

The fourth proportional to 254,371.80, 351,034.44 and 158,933.85 is: 219,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,371.80 : 351,034.44 = 158,933.85 : x
  2. Step 2: Convert to fraction form
    254,371.80/351,034.44 = 158,933.85/x
  3. Step 3: Cross multiply
    254,371.80x = 351,034.44 × 158,933.85
  4. Step 4: Simplify right side
    254,371.80x = 55,791,255,031.79
  5. Step 5: Solve for x
    x = 55,791,255,031.79/254,371.80
  6. Step 6: Final answer
    x = 219,329.56

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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.