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Finding the Fourth Proportional to 361,125.32, 541,686.63 and 108,404.72

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Solution

The fourth proportional to 361,125.32, 541,686.63 and 108,404.72 is: 162,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,125.32 : 541,686.63 = 108,404.72 : x
  2. Step 2: Convert to fraction form
    361,125.32/541,686.63 = 108,404.72/x
  3. Step 3: Cross multiply
    361,125.32x = 541,686.63 × 108,404.72
  4. Step 4: Simplify right side
    361,125.32x = 58,721,387,452.89
  5. Step 5: Solve for x
    x = 58,721,387,452.89/361,125.32
  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.