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Finding the Fourth Proportional to 73,708.79, 101,721.74 and 41,453.55

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Solution

The fourth proportional to 73,708.79, 101,721.74 and 41,453.55 is: 57,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,708.79 : 101,721.74 = 41,453.55 : x
  2. Step 2: Convert to fraction form
    73,708.79/101,721.74 = 41,453.55/x
  3. Step 3: Cross multiply
    73,708.79x = 101,721.74 × 41,453.55
  4. Step 4: Simplify right side
    73,708.79x = 4,216,727,027.91
  5. Step 5: Solve for x
    x = 4,216,727,027.91/73,708.79
  6. Step 6: Final answer
    x = 57,207.93

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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.