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Finding the Fourth Proportional to 242,648.96, 363,974.33 and 74,168.62

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Solution

The fourth proportional to 242,648.96, 363,974.33 and 74,168.62 is: 111,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,648.96 : 363,974.33 = 74,168.62 : x
  2. Step 2: Convert to fraction form
    242,648.96/363,974.33 = 74,168.62/x
  3. Step 3: Cross multiply
    242,648.96x = 363,974.33 × 74,168.62
  4. Step 4: Simplify right side
    242,648.96x = 26,995,473,047.01
  5. Step 5: Solve for x
    x = 26,995,473,047.01/242,648.96
  6. Step 6: Final answer
    x = 111,253.20

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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.