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Finding the Fourth Proportional to 295,683.96, 408,044.03 and 159,717.90

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Solution

The fourth proportional to 295,683.96, 408,044.03 and 159,717.90 is: 220,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,683.96 : 408,044.03 = 159,717.90 : x
  2. Step 2: Convert to fraction form
    295,683.96/408,044.03 = 159,717.90/x
  3. Step 3: Cross multiply
    295,683.96x = 408,044.03 × 159,717.90
  4. Step 4: Simplify right side
    295,683.96x = 65,171,934,780.55
  5. Step 5: Solve for x
    x = 65,171,934,780.55/295,683.96
  6. Step 6: Final answer
    x = 220,410.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.