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Finding the Fourth Proportional to 179,638.80, 269,458.20 and 165,058.80

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Solution

The fourth proportional to 179,638.80, 269,458.20 and 165,058.80 is: 247,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,638.80 : 269,458.20 = 165,058.80 : x
  2. Step 2: Convert to fraction form
    179,638.80/269,458.20 = 165,058.80/x
  3. Step 3: Cross multiply
    179,638.80x = 269,458.20 × 165,058.80
  4. Step 4: Simplify right side
    179,638.80x = 44,476,447,142.16
  5. Step 5: Solve for x
    x = 44,476,447,142.16/179,638.80
  6. Step 6: Final answer
    x = 247,588.20

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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.