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Finding the Fourth Proportional to 242,108.38, 363,220.76 and 75,896.38

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Solution

The fourth proportional to 242,108.38, 363,220.76 and 75,896.38 is: 113,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,108.38 : 363,220.76 = 75,896.38 : x
  2. Step 2: Convert to fraction form
    242,108.38/363,220.76 = 75,896.38/x
  3. Step 3: Cross multiply
    242,108.38x = 363,220.76 × 75,896.38
  4. Step 4: Simplify right side
    242,108.38x = 27,567,140,824.85
  5. Step 5: Solve for x
    x = 27,567,140,824.85/242,108.38
  6. Step 6: Final answer
    x = 113,862.81

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1.5x scale

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.