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Finding the Fourth Proportional to 111,449.84, 167,057.16 and 36,550.40

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Solution

The fourth proportional to 111,449.84, 167,057.16 and 36,550.40 is: 54,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,449.84 : 167,057.16 = 36,550.40 : x
  2. Step 2: Convert to fraction form
    111,449.84/167,057.16 = 36,550.40/x
  3. Step 3: Cross multiply
    111,449.84x = 167,057.16 × 36,550.40
  4. Step 4: Simplify right side
    111,449.84x = 6,106,006,020.86
  5. Step 5: Solve for x
    x = 6,106,006,020.86/111,449.84
  6. Step 6: Final answer
    x = 54,787.03

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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.