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Finding the Fourth Proportional to 73,182.48, 100,988.76 and 41,352.60

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Solution

The fourth proportional to 73,182.48, 100,988.76 and 41,352.60 is: 57,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,182.48 : 100,988.76 = 41,352.60 : x
  2. Step 2: Convert to fraction form
    73,182.48/100,988.76 = 41,352.60/x
  3. Step 3: Cross multiply
    73,182.48x = 100,988.76 × 41,352.60
  4. Step 4: Simplify right side
    73,182.48x = 4,176,147,796.78
  5. Step 5: Solve for x
    x = 4,176,147,796.78/73,182.48
  6. Step 6: Final answer
    x = 57,064.86

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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.