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Finding the Fourth Proportional to 133,285.97, 199,960.55 and 39,794.15

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Solution

The fourth proportional to 133,285.97, 199,960.55 and 39,794.15 is: 59,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,285.97 : 199,960.55 = 39,794.15 : x
  2. Step 2: Convert to fraction form
    133,285.97/199,960.55 = 39,794.15/x
  3. Step 3: Cross multiply
    133,285.97x = 199,960.55 × 39,794.15
  4. Step 4: Simplify right side
    133,285.97x = 7,957,258,922.01
  5. Step 5: Solve for x
    x = 7,957,258,922.01/133,285.97
  6. Step 6: Final answer
    x = 59,700.65

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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.