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Finding the Fourth Proportional to 111,554.80, 167,352.92 and 36,679.12

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Solution

The fourth proportional to 111,554.80, 167,352.92 and 36,679.12 is: 55,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,554.80 : 167,352.92 = 36,679.12 : x
  2. Step 2: Convert to fraction form
    111,554.80/167,352.92 = 36,679.12/x
  3. Step 3: Cross multiply
    111,554.80x = 167,352.92 × 36,679.12
  4. Step 4: Simplify right side
    111,554.80x = 6,138,357,835.03
  5. Step 5: Solve for x
    x = 6,138,357,835.03/111,554.80
  6. Step 6: Final answer
    x = 55,025.49

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1.5x scale

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.