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Finding the Fourth Proportional to 252,889.55, 349,037.40 and 150,863.95

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Solution

The fourth proportional to 252,889.55, 349,037.40 and 150,863.95 is: 208,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,889.55 : 349,037.40 = 150,863.95 : x
  2. Step 2: Convert to fraction form
    252,889.55/349,037.40 = 150,863.95/x
  3. Step 3: Cross multiply
    252,889.55x = 349,037.40 × 150,863.95
  4. Step 4: Simplify right side
    252,889.55x = 52,657,160,861.73
  5. Step 5: Solve for x
    x = 52,657,160,861.73/252,889.55
  6. Step 6: Final answer
    x = 208,221.97

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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.