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Finding the Fourth Proportional to 111,575.54, 167,387.91 and 36,718.64

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Solution

The fourth proportional to 111,575.54, 167,387.91 and 36,718.64 is: 55,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,575.54 : 167,387.91 = 36,718.64 : x
  2. Step 2: Convert to fraction form
    111,575.54/167,387.91 = 36,718.64/x
  3. Step 3: Cross multiply
    111,575.54x = 167,387.91 × 36,718.64
  4. Step 4: Simplify right side
    111,575.54x = 6,146,255,570.70
  5. Step 5: Solve for x
    x = 6,146,255,570.70/111,575.54
  6. Step 6: Final answer
    x = 55,086.05

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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.