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Finding the Fourth Proportional to 111,730.44, 167,560.08 and 36,836.60

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Solution

The fourth proportional to 111,730.44, 167,560.08 and 36,836.60 is: 55,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,730.44 : 167,560.08 = 36,836.60 : x
  2. Step 2: Convert to fraction form
    111,730.44/167,560.08 = 36,836.60/x
  3. Step 3: Cross multiply
    111,730.44x = 167,560.08 × 36,836.60
  4. Step 4: Simplify right side
    111,730.44x = 6,172,343,642.93
  5. Step 5: Solve for x
    x = 6,172,343,642.93/111,730.44
  6. Step 6: Final answer
    x = 55,243.17

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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.