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Finding the Fourth Proportional to 159,875.56, 220,616.35 and 91,892.67

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Solution

The fourth proportional to 159,875.56, 220,616.35 and 91,892.67 is: 126,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,875.56 : 220,616.35 = 91,892.67 : x
  2. Step 2: Convert to fraction form
    159,875.56/220,616.35 = 91,892.67/x
  3. Step 3: Cross multiply
    159,875.56x = 220,616.35 × 91,892.67
  4. Step 4: Simplify right side
    159,875.56x = 20,273,025,447.15
  5. Step 5: Solve for x
    x = 20,273,025,447.15/159,875.56
  6. Step 6: Final answer
    x = 126,805.03

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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.