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Finding the Fourth Proportional to 179,648.64, 269,398.72 and 61,329.48

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Solution

The fourth proportional to 179,648.64, 269,398.72 and 61,329.48 is: 91,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,648.64 : 269,398.72 = 61,329.48 : x
  2. Step 2: Convert to fraction form
    179,648.64/269,398.72 = 61,329.48/x
  3. Step 3: Cross multiply
    179,648.64x = 269,398.72 × 61,329.48
  4. Step 4: Simplify right side
    179,648.64x = 16,522,083,410.27
  5. Step 5: Solve for x
    x = 16,522,083,410.27/179,648.64
  6. Step 6: Final answer
    x = 91,968.88

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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.