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Finding the Fourth Proportional to 230,363.40, 345,522.42 and 80,576.04

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Solution

The fourth proportional to 230,363.40, 345,522.42 and 80,576.04 is: 120,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,363.40 : 345,522.42 = 80,576.04 : x
  2. Step 2: Convert to fraction form
    230,363.40/345,522.42 = 80,576.04/x
  3. Step 3: Cross multiply
    230,363.40x = 345,522.42 × 80,576.04
  4. Step 4: Simplify right side
    230,363.40x = 27,840,828,334.82
  5. Step 5: Solve for x
    x = 27,840,828,334.82/230,363.40
  6. Step 6: Final answer
    x = 120,856.13

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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.