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Finding the Fourth Proportional to 188,016.75, 259,463.12 and 103,134.02

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Solution

The fourth proportional to 188,016.75, 259,463.12 and 103,134.02 is: 142,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,016.75 : 259,463.12 = 103,134.02 : x
  2. Step 2: Convert to fraction form
    188,016.75/259,463.12 = 103,134.02/x
  3. Step 3: Cross multiply
    188,016.75x = 259,463.12 × 103,134.02
  4. Step 4: Simplify right side
    188,016.75x = 26,759,472,794.36
  5. Step 5: Solve for x
    x = 26,759,472,794.36/188,016.75
  6. Step 6: Final answer
    x = 142,324.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.