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Finding the Fourth Proportional to 111,560.06, 167,340.09 and 28,454.06

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Solution

The fourth proportional to 111,560.06, 167,340.09 and 28,454.06 is: 42,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,560.06 : 167,340.09 = 28,454.06 : x
  2. Step 2: Convert to fraction form
    111,560.06/167,340.09 = 28,454.06/x
  3. Step 3: Cross multiply
    111,560.06x = 167,340.09 × 28,454.06
  4. Step 4: Simplify right side
    111,560.06x = 4,761,504,961.27
  5. Step 5: Solve for x
    x = 4,761,504,961.27/111,560.06
  6. Step 6: Final answer
    x = 42,681.09

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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.