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Finding the Fourth Proportional to 114,049.76, 171,118.48 and 80,348.18

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Solution

The fourth proportional to 114,049.76, 171,118.48 and 80,348.18 is: 120,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,049.76 : 171,118.48 = 80,348.18 : x
  2. Step 2: Convert to fraction form
    114,049.76/171,118.48 = 80,348.18/x
  3. Step 3: Cross multiply
    114,049.76x = 171,118.48 × 80,348.18
  4. Step 4: Simplify right side
    114,049.76x = 13,749,058,432.37
  5. Step 5: Solve for x
    x = 13,749,058,432.37/114,049.76
  6. Step 6: Final answer
    x = 120,553.16

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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.