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Finding the Fourth Proportional to 73,040.33, 100,793.36 and 42,416.87

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Solution

The fourth proportional to 73,040.33, 100,793.36 and 42,416.87 is: 58,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,040.33 : 100,793.36 = 42,416.87 : x
  2. Step 2: Convert to fraction form
    73,040.33/100,793.36 = 42,416.87/x
  3. Step 3: Cross multiply
    73,040.33x = 100,793.36 × 42,416.87
  4. Step 4: Simplify right side
    73,040.33x = 4,275,338,450.06
  5. Step 5: Solve for x
    x = 4,275,338,450.06/73,040.33
  6. Step 6: Final answer
    x = 58,533.94

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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.