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Finding the Fourth Proportional to 252,488.78, 348,451.59 and 145,101.62

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Solution

The fourth proportional to 252,488.78, 348,451.59 and 145,101.62 is: 200,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,488.78 : 348,451.59 = 145,101.62 : x
  2. Step 2: Convert to fraction form
    252,488.78/348,451.59 = 145,101.62/x
  3. Step 3: Cross multiply
    252,488.78x = 348,451.59 × 145,101.62
  4. Step 4: Simplify right side
    252,488.78x = 50,560,890,200.58
  5. Step 5: Solve for x
    x = 50,560,890,200.58/252,488.78
  6. Step 6: Final answer
    x = 200,250.05

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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.