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Finding the Fourth Proportional to 262,508.68, 362,263.08 and 147,789.28

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Solution

The fourth proportional to 262,508.68, 362,263.08 and 147,789.28 is: 203,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,508.68 : 362,263.08 = 147,789.28 : x
  2. Step 2: Convert to fraction form
    262,508.68/362,263.08 = 147,789.28/x
  3. Step 3: Cross multiply
    262,508.68x = 362,263.08 × 147,789.28
  4. Step 4: Simplify right side
    262,508.68x = 53,538,599,763.78
  5. Step 5: Solve for x
    x = 53,538,599,763.78/262,508.68
  6. Step 6: Final answer
    x = 203,949.83

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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.