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Finding the Fourth Proportional to 83,258.61, 124,889.48 and 27,098.54

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Solution

The fourth proportional to 83,258.61, 124,889.48 and 27,098.54 is: 40,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,258.61 : 124,889.48 = 27,098.54 : x
  2. Step 2: Convert to fraction form
    83,258.61/124,889.48 = 27,098.54/x
  3. Step 3: Cross multiply
    83,258.61x = 124,889.48 × 27,098.54
  4. Step 4: Simplify right side
    83,258.61x = 3,384,321,809.42
  5. Step 5: Solve for x
    x = 3,384,321,809.42/83,258.61
  6. Step 6: Final answer
    x = 40,648.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.