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Finding the Fourth Proportional to 188,250.67, 259,785.39 and 112,799.17

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Solution

The fourth proportional to 188,250.67, 259,785.39 and 112,799.17 is: 155,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,250.67 : 259,785.39 = 112,799.17 : x
  2. Step 2: Convert to fraction form
    188,250.67/259,785.39 = 112,799.17/x
  3. Step 3: Cross multiply
    188,250.67x = 259,785.39 × 112,799.17
  4. Step 4: Simplify right side
    188,250.67x = 29,303,576,370.13
  5. Step 5: Solve for x
    x = 29,303,576,370.13/188,250.67
  6. Step 6: Final answer
    x = 155,662.53

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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.