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Finding the Fourth Proportional to 188,254.48, 259,795.72 and 102,217.12

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Solution

The fourth proportional to 188,254.48, 259,795.72 and 102,217.12 is: 141,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,254.48 : 259,795.72 = 102,217.12 : x
  2. Step 2: Convert to fraction form
    188,254.48/259,795.72 = 102,217.12/x
  3. Step 3: Cross multiply
    188,254.48x = 259,795.72 × 102,217.12
  4. Step 4: Simplify right side
    188,254.48x = 26,555,570,286.73
  5. Step 5: Solve for x
    x = 26,555,570,286.73/188,254.48
  6. Step 6: Final answer
    x = 141,062.09

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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.