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Finding the Fourth Proportional to 176,020.40, 263,800.20 and 70,753.20

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Solution

The fourth proportional to 176,020.40, 263,800.20 and 70,753.20 is: 106,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,020.40 : 263,800.20 = 70,753.20 : x
  2. Step 2: Convert to fraction form
    176,020.40/263,800.20 = 70,753.20/x
  3. Step 3: Cross multiply
    176,020.40x = 263,800.20 × 70,753.20
  4. Step 4: Simplify right side
    176,020.40x = 18,664,708,310.64
  5. Step 5: Solve for x
    x = 18,664,708,310.64/176,020.40
  6. Step 6: Final answer
    x = 106,037.19

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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.