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Finding the Fourth Proportional to 247,481.64, 341,266.50 and 146,860.20

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Solution

The fourth proportional to 247,481.64, 341,266.50 and 146,860.20 is: 202,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,481.64 : 341,266.50 = 146,860.20 : x
  2. Step 2: Convert to fraction form
    247,481.64/341,266.50 = 146,860.20/x
  3. Step 3: Cross multiply
    247,481.64x = 341,266.50 × 146,860.20
  4. Step 4: Simplify right side
    247,481.64x = 50,118,466,443.30
  5. Step 5: Solve for x
    x = 50,118,466,443.30/247,481.64
  6. Step 6: Final answer
    x = 202,513.88

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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.