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Finding the Fourth Proportional to 179,871.92, 269,760.88 and 53,478.12

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Solution

The fourth proportional to 179,871.92, 269,760.88 and 53,478.12 is: 80,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,871.92 : 269,760.88 = 53,478.12 : x
  2. Step 2: Convert to fraction form
    179,871.92/269,760.88 = 53,478.12/x
  3. Step 3: Cross multiply
    179,871.92x = 269,760.88 × 53,478.12
  4. Step 4: Simplify right side
    179,871.92x = 14,426,304,578.25
  5. Step 5: Solve for x
    x = 14,426,304,578.25/179,871.92
  6. Step 6: Final answer
    x = 80,203.21

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1.5x scale

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.