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Finding the Fourth Proportional to 80,792.01, 121,131.79 and 35,788.93

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Solution

The fourth proportional to 80,792.01, 121,131.79 and 35,788.93 is: 53,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,792.01 : 121,131.79 = 35,788.93 : x
  2. Step 2: Convert to fraction form
    80,792.01/121,131.79 = 35,788.93/x
  3. Step 3: Cross multiply
    80,792.01x = 121,131.79 × 35,788.93
  4. Step 4: Simplify right side
    80,792.01x = 4,335,177,153.08
  5. Step 5: Solve for x
    x = 4,335,177,153.08/80,792.01
  6. Step 6: Final answer
    x = 53,658.49

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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.