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Finding the Fourth Proportional to 83,258.46, 124,879.47 and 27,096.30

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Solution

The fourth proportional to 83,258.46, 124,879.47 and 27,096.30 is: 40,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,258.46 : 124,879.47 = 27,096.30 : x
  2. Step 2: Convert to fraction form
    83,258.46/124,879.47 = 27,096.30/x
  3. Step 3: Cross multiply
    83,258.46x = 124,879.47 × 27,096.30
  4. Step 4: Simplify right side
    83,258.46x = 3,383,771,582.96
  5. Step 5: Solve for x
    x = 3,383,771,582.96/83,258.46
  6. Step 6: Final answer
    x = 40,641.77

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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.