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Finding the Fourth Proportional to 88,452.27, 122,023.29 and 52,128.93

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Solution

The fourth proportional to 88,452.27, 122,023.29 and 52,128.93 is: 71,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,452.27 : 122,023.29 = 52,128.93 : x
  2. Step 2: Convert to fraction form
    88,452.27/122,023.29 = 52,128.93/x
  3. Step 3: Cross multiply
    88,452.27x = 122,023.29 × 52,128.93
  4. Step 4: Simplify right side
    88,452.27x = 6,360,944,195.85
  5. Step 5: Solve for x
    x = 6,360,944,195.85/88,452.27
  6. Step 6: Final answer
    x = 71,913.86

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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.