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Finding the Fourth Proportional to 250,494.72, 375,904.92 and 108,478.68

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Solution

The fourth proportional to 250,494.72, 375,904.92 and 108,478.68 is: 162,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,494.72 : 375,904.92 = 108,478.68 : x
  2. Step 2: Convert to fraction form
    250,494.72/375,904.92 = 108,478.68/x
  3. Step 3: Cross multiply
    250,494.72x = 375,904.92 × 108,478.68
  4. Step 4: Simplify right side
    250,494.72x = 40,777,669,527.11
  5. Step 5: Solve for x
    x = 40,777,669,527.11/250,494.72
  6. Step 6: Final answer
    x = 162,788.54

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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.