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Finding the Fourth Proportional to 73,150.68, 100,947.40 and 41,325.80

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Solution

The fourth proportional to 73,150.68, 100,947.40 and 41,325.80 is: 57,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,150.68 : 100,947.40 = 41,325.80 : x
  2. Step 2: Convert to fraction form
    73,150.68/100,947.40 = 41,325.80/x
  3. Step 3: Cross multiply
    73,150.68x = 100,947.40 × 41,325.80
  4. Step 4: Simplify right side
    73,150.68x = 4,171,732,062.92
  5. Step 5: Solve for x
    x = 4,171,732,062.92/73,150.68
  6. Step 6: Final answer
    x = 57,029.30

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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.