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Finding the Fourth Proportional to 295,272.96, 443,064.96 and 129,177.60

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Solution

The fourth proportional to 295,272.96, 443,064.96 and 129,177.60 is: 193,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,272.96 : 443,064.96 = 129,177.60 : x
  2. Step 2: Convert to fraction form
    295,272.96/443,064.96 = 129,177.60/x
  3. Step 3: Cross multiply
    295,272.96x = 443,064.96 × 129,177.60
  4. Step 4: Simplify right side
    295,272.96x = 57,234,068,176.90
  5. Step 5: Solve for x
    x = 57,234,068,176.90/295,272.96
  6. Step 6: Final answer
    x = 193,834.44

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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.