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Finding the Fourth Proportional to 111,999.44, 167,979.72 and 38,127.44

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Solution

The fourth proportional to 111,999.44, 167,979.72 and 38,127.44 is: 57,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,999.44 : 167,979.72 = 38,127.44 : x
  2. Step 2: Convert to fraction form
    111,999.44/167,979.72 = 38,127.44/x
  3. Step 3: Cross multiply
    111,999.44x = 167,979.72 × 38,127.44
  4. Step 4: Simplify right side
    111,999.44x = 6,404,636,695.52
  5. Step 5: Solve for x
    x = 6,404,636,695.52/111,999.44
  6. Step 6: Final answer
    x = 57,184.54

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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.