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Finding the Fourth Proportional to 313,599.87, 432,765.45 and 170,360.96

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Solution

The fourth proportional to 313,599.87, 432,765.45 and 170,360.96 is: 235,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,599.87 : 432,765.45 = 170,360.96 : x
  2. Step 2: Convert to fraction form
    313,599.87/432,765.45 = 170,360.96/x
  3. Step 3: Cross multiply
    313,599.87x = 432,765.45 × 170,360.96
  4. Step 4: Simplify right side
    313,599.87x = 73,726,335,353.00
  5. Step 5: Solve for x
    x = 73,726,335,353.00/313,599.87
  6. Step 6: Final answer
    x = 235,096.83

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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.