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Finding the Fourth Proportional to 82,833.20, 124,249.80 and 73,647.80

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Solution

The fourth proportional to 82,833.20, 124,249.80 and 73,647.80 is: 110,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,833.20 : 124,249.80 = 73,647.80 : x
  2. Step 2: Convert to fraction form
    82,833.20/124,249.80 = 73,647.80/x
  3. Step 3: Cross multiply
    82,833.20x = 124,249.80 × 73,647.80
  4. Step 4: Simplify right side
    82,833.20x = 9,150,724,420.44
  5. Step 5: Solve for x
    x = 9,150,724,420.44/82,833.20
  6. Step 6: Final answer
    x = 110,471.70

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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.