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Finding the Fourth Proportional to 188,717.34, 260,148.14 and 124,944.42

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Solution

The fourth proportional to 188,717.34, 260,148.14 and 124,944.42 is: 172,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,717.34 : 260,148.14 = 124,944.42 : x
  2. Step 2: Convert to fraction form
    188,717.34/260,148.14 = 124,944.42/x
  3. Step 3: Cross multiply
    188,717.34x = 260,148.14 × 124,944.42
  4. Step 4: Simplify right side
    188,717.34x = 32,504,058,466.38
  5. Step 5: Solve for x
    x = 32,504,058,466.38/188,717.34
  6. Step 6: Final answer
    x = 172,236.73

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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.