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Finding the Fourth Proportional to 188,248.54, 259,801.03 and 107,660.33

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Solution

The fourth proportional to 188,248.54, 259,801.03 and 107,660.33 is: 148,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,248.54 : 259,801.03 = 107,660.33 : x
  2. Step 2: Convert to fraction form
    188,248.54/259,801.03 = 107,660.33/x
  3. Step 3: Cross multiply
    188,248.54x = 259,801.03 × 107,660.33
  4. Step 4: Simplify right side
    188,248.54x = 27,970,264,624.14
  5. Step 5: Solve for x
    x = 27,970,264,624.14/188,248.54
  6. Step 6: Final answer
    x = 148,581.58

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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.