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Finding the Fourth Proportional to 269,966.70, 404,998.65 and 112,211.10

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Solution

The fourth proportional to 269,966.70, 404,998.65 and 112,211.10 is: 168,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,966.70 : 404,998.65 = 112,211.10 : x
  2. Step 2: Convert to fraction form
    269,966.70/404,998.65 = 112,211.10/x
  3. Step 3: Cross multiply
    269,966.70x = 404,998.65 × 112,211.10
  4. Step 4: Simplify right side
    269,966.70x = 45,445,344,015.02
  5. Step 5: Solve for x
    x = 45,445,344,015.02/269,966.70
  6. Step 6: Final answer
    x = 168,336.85

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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.