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Finding the Fourth Proportional to 361,527.32, 542,181.48 and 108,740.69

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Solution

The fourth proportional to 361,527.32, 542,181.48 and 108,740.69 is: 163,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,527.32 : 542,181.48 = 108,740.69 : x
  2. Step 2: Convert to fraction form
    361,527.32/542,181.48 = 108,740.69/x
  3. Step 3: Cross multiply
    361,527.32x = 542,181.48 × 108,740.69
  4. Step 4: Simplify right side
    361,527.32x = 58,957,188,240.42
  5. Step 5: Solve for x
    x = 58,957,188,240.42/361,527.32
  6. Step 6: Final answer
    x = 163,078.10

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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.