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Finding the Fourth Proportional to 222,062.74, 332,445.18 and 165,388

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Solution

The fourth proportional to 222,062.74, 332,445.18 and 165,388 is: 247,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,062.74 : 332,445.18 = 165,388 : x
  2. Step 2: Convert to fraction form
    222,062.74/332,445.18 = 165,388/x
  3. Step 3: Cross multiply
    222,062.74x = 332,445.18 × 165,388
  4. Step 4: Simplify right side
    222,062.74x = 54,982,443,429.84
  5. Step 5: Solve for x
    x = 54,982,443,429.84/222,062.74
  6. Step 6: Final answer
    x = 247,598.69

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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.