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Finding the Fourth Proportional to 111,674.31, 167,531.98 and 36,798.87

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Solution

The fourth proportional to 111,674.31, 167,531.98 and 36,798.87 is: 55,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,674.31 : 167,531.98 = 36,798.87 : x
  2. Step 2: Convert to fraction form
    111,674.31/167,531.98 = 36,798.87/x
  3. Step 3: Cross multiply
    111,674.31x = 167,531.98 × 36,798.87
  4. Step 4: Simplify right side
    111,674.31x = 6,164,986,623.21
  5. Step 5: Solve for x
    x = 6,164,986,623.21/111,674.31
  6. Step 6: Final answer
    x = 55,205.06

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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.