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Finding the Fourth Proportional to 361,125.23, 541,686.59 and 108,404.70

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Solution

The fourth proportional to 361,125.23, 541,686.59 and 108,404.70 is: 162,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,125.23 : 541,686.59 = 108,404.70 : x
  2. Step 2: Convert to fraction form
    361,125.23/541,686.59 = 108,404.70/x
  3. Step 3: Cross multiply
    361,125.23x = 541,686.59 × 108,404.70
  4. Step 4: Simplify right side
    361,125.23x = 58,721,372,282.97
  5. Step 5: Solve for x
    x = 58,721,372,282.97/361,125.23
  6. Step 6: Final answer
    x = 162,606.67

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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.