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Finding the Fourth Proportional to 218,812.17, 301,845.06 and 150,712.02

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Solution

The fourth proportional to 218,812.17, 301,845.06 and 150,712.02 is: 207,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,812.17 : 301,845.06 = 150,712.02 : x
  2. Step 2: Convert to fraction form
    218,812.17/301,845.06 = 150,712.02/x
  3. Step 3: Cross multiply
    218,812.17x = 301,845.06 × 150,712.02
  4. Step 4: Simplify right side
    218,812.17x = 45,491,678,719.62
  5. Step 5: Solve for x
    x = 45,491,678,719.62/218,812.17
  6. Step 6: Final answer
    x = 207,902.87

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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.