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Finding the Fourth Proportional to 73,815.74, 101,865.73 and 45,537.86

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Solution

The fourth proportional to 73,815.74, 101,865.73 and 45,537.86 is: 62,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815.74 : 101,865.73 = 45,537.86 : x
  2. Step 2: Convert to fraction form
    73,815.74/101,865.73 = 45,537.86/x
  3. Step 3: Cross multiply
    73,815.74x = 101,865.73 × 45,537.86
  4. Step 4: Simplify right side
    73,815.74x = 4,638,747,351.54
  5. Step 5: Solve for x
    x = 4,638,747,351.54/73,815.74
  6. Step 6: Final answer
    x = 62,842.25

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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.