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Finding the Fourth Proportional to 178,800.80, 268,201.20 and 95,856.80

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Solution

The fourth proportional to 178,800.80, 268,201.20 and 95,856.80 is: 143,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,800.80 : 268,201.20 = 95,856.80 : x
  2. Step 2: Convert to fraction form
    178,800.80/268,201.20 = 95,856.80/x
  3. Step 3: Cross multiply
    178,800.80x = 268,201.20 × 95,856.80
  4. Step 4: Simplify right side
    178,800.80x = 25,708,908,788.16
  5. Step 5: Solve for x
    x = 25,708,908,788.16/178,800.80
  6. Step 6: Final answer
    x = 143,785.20

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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.