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Finding the Fourth Proportional to 242,469.72, 363,471.30 and 124,196.76

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Solution

The fourth proportional to 242,469.72, 363,471.30 and 124,196.76 is: 186,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,469.72 : 363,471.30 = 124,196.76 : x
  2. Step 2: Convert to fraction form
    242,469.72/363,471.30 = 124,196.76/x
  3. Step 3: Cross multiply
    242,469.72x = 363,471.30 × 124,196.76
  4. Step 4: Simplify right side
    242,469.72x = 45,141,957,812.99
  5. Step 5: Solve for x
    x = 45,141,957,812.99/242,469.72
  6. Step 6: Final answer
    x = 186,175.65

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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.