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Finding the Fourth Proportional to 80,846.71, 111,571.90 and 45,036.68

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Solution

The fourth proportional to 80,846.71, 111,571.90 and 45,036.68 is: 62,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846.71 : 111,571.90 = 45,036.68 : x
  2. Step 2: Convert to fraction form
    80,846.71/111,571.90 = 45,036.68/x
  3. Step 3: Cross multiply
    80,846.71x = 111,571.90 × 45,036.68
  4. Step 4: Simplify right side
    80,846.71x = 5,024,827,286.84
  5. Step 5: Solve for x
    x = 5,024,827,286.84/80,846.71
  6. Step 6: Final answer
    x = 62,152.53

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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.