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Finding the Fourth Proportional to 159,441.66, 239,191.94 and 65,954.70

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Solution

The fourth proportional to 159,441.66, 239,191.94 and 65,954.70 is: 98,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,441.66 : 239,191.94 = 65,954.70 : x
  2. Step 2: Convert to fraction form
    159,441.66/239,191.94 = 65,954.70/x
  3. Step 3: Cross multiply
    159,441.66x = 239,191.94 × 65,954.70
  4. Step 4: Simplify right side
    159,441.66x = 15,775,832,645.12
  5. Step 5: Solve for x
    x = 15,775,832,645.12/159,441.66
  6. Step 6: Final answer
    x = 98,944.23

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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.