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Finding the Fourth Proportional to 120,004.56, 179,616.20 and 88,402.20

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Solution

The fourth proportional to 120,004.56, 179,616.20 and 88,402.20 is: 132,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,004.56 : 179,616.20 = 88,402.20 : x
  2. Step 2: Convert to fraction form
    120,004.56/179,616.20 = 88,402.20/x
  3. Step 3: Cross multiply
    120,004.56x = 179,616.20 × 88,402.20
  4. Step 4: Simplify right side
    120,004.56x = 15,878,467,235.64
  5. Step 5: Solve for x
    x = 15,878,467,235.64/120,004.56
  6. Step 6: Final answer
    x = 132,315.53

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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.