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Finding the Fourth Proportional to 96,016.40, 143,981.40 and 36,832.40

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Solution

The fourth proportional to 96,016.40, 143,981.40 and 36,832.40 is: 55,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,016.40 : 143,981.40 = 36,832.40 : x
  2. Step 2: Convert to fraction form
    96,016.40/143,981.40 = 36,832.40/x
  3. Step 3: Cross multiply
    96,016.40x = 143,981.40 × 36,832.40
  4. Step 4: Simplify right side
    96,016.40x = 5,303,180,517.36
  5. Step 5: Solve for x
    x = 5,303,180,517.36/96,016.40
  6. Step 6: Final answer
    x = 55,232.03

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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.