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Finding the Fourth Proportional to 361,313.92, 541,998.92 and 108,574.68

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Solution

The fourth proportional to 361,313.92, 541,998.92 and 108,574.68 is: 162,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,313.92 : 541,998.92 = 108,574.68 : x
  2. Step 2: Convert to fraction form
    361,313.92/541,998.92 = 108,574.68/x
  3. Step 3: Cross multiply
    361,313.92x = 541,998.92 × 108,574.68
  4. Step 4: Simplify right side
    361,313.92x = 58,847,359,299.35
  5. Step 5: Solve for x
    x = 58,847,359,299.35/361,313.92
  6. Step 6: Final answer
    x = 162,870.45

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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.