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Finding the Fourth Proportional to 80,832.93, 111,552.90 and 45,022.95

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Solution

The fourth proportional to 80,832.93, 111,552.90 and 45,022.95 is: 62,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,832.93 : 111,552.90 = 45,022.95 : x
  2. Step 2: Convert to fraction form
    80,832.93/111,552.90 = 45,022.95/x
  3. Step 3: Cross multiply
    80,832.93x = 111,552.90 × 45,022.95
  4. Step 4: Simplify right side
    80,832.93x = 5,022,440,639.06
  5. Step 5: Solve for x
    x = 5,022,440,639.06/80,832.93
  6. Step 6: Final answer
    x = 62,133.60

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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.