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Finding the Fourth Proportional to 73,820.38, 101,879.63 and 43,615.48

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Solution

The fourth proportional to 73,820.38, 101,879.63 and 43,615.48 is: 60,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,820.38 : 101,879.63 = 43,615.48 : x
  2. Step 2: Convert to fraction form
    73,820.38/101,879.63 = 43,615.48/x
  3. Step 3: Cross multiply
    73,820.38x = 101,879.63 × 43,615.48
  4. Step 4: Simplify right side
    73,820.38x = 4,443,528,964.67
  5. Step 5: Solve for x
    x = 4,443,528,964.67/73,820.38
  6. Step 6: Final answer
    x = 60,193.80

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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.