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Finding the Fourth Proportional to 106,616.92, 159,925.98 and 44,287.48

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Solution

The fourth proportional to 106,616.92, 159,925.98 and 44,287.48 is: 66,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,616.92 : 159,925.98 = 44,287.48 : x
  2. Step 2: Convert to fraction form
    106,616.92/159,925.98 = 44,287.48/x
  3. Step 3: Cross multiply
    106,616.92x = 159,925.98 × 44,287.48
  4. Step 4: Simplify right side
    106,616.92x = 7,082,718,640.73
  5. Step 5: Solve for x
    x = 7,082,718,640.73/106,616.92
  6. Step 6: Final answer
    x = 66,431.47

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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.