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Finding the Fourth Proportional to 111,885.16, 167,787.42 and 37,995.88

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Solution

The fourth proportional to 111,885.16, 167,787.42 and 37,995.88 is: 56,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,885.16 : 167,787.42 = 37,995.88 : x
  2. Step 2: Convert to fraction form
    111,885.16/167,787.42 = 37,995.88/x
  3. Step 3: Cross multiply
    111,885.16x = 167,787.42 × 37,995.88
  4. Step 4: Simplify right side
    111,885.16x = 6,375,230,675.83
  5. Step 5: Solve for x
    x = 6,375,230,675.83/111,885.16
  6. Step 6: Final answer
    x = 56,980.13

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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.