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Finding the Fourth Proportional to 160,021.68, 220,826.04 and 88,408.56

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Solution

The fourth proportional to 160,021.68, 220,826.04 and 88,408.56 is: 122,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,021.68 : 220,826.04 = 88,408.56 : x
  2. Step 2: Convert to fraction form
    160,021.68/220,826.04 = 88,408.56/x
  3. Step 3: Cross multiply
    160,021.68x = 220,826.04 × 88,408.56
  4. Step 4: Simplify right side
    160,021.68x = 19,522,912,206.90
  5. Step 5: Solve for x
    x = 19,522,912,206.90/160,021.68
  6. Step 6: Final answer
    x = 122,001.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.