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Finding the Fourth Proportional to 160,648.76, 221,719.20 and 92,653.04

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Solution

The fourth proportional to 160,648.76, 221,719.20 and 92,653.04 is: 127,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,648.76 : 221,719.20 = 92,653.04 : x
  2. Step 2: Convert to fraction form
    160,648.76/221,719.20 = 92,653.04/x
  3. Step 3: Cross multiply
    160,648.76x = 221,719.20 × 92,653.04
  4. Step 4: Simplify right side
    160,648.76x = 20,542,957,906.37
  5. Step 5: Solve for x
    x = 20,542,957,906.37/160,648.76
  6. Step 6: Final answer
    x = 127,874.99

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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.