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Finding the Fourth Proportional to 73,701.87, 101,708.91 and 41,872.51

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Solution

The fourth proportional to 73,701.87, 101,708.91 and 41,872.51 is: 57,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,701.87 : 101,708.91 = 41,872.51 : x
  2. Step 2: Convert to fraction form
    73,701.87/101,708.91 = 41,872.51/x
  3. Step 3: Cross multiply
    73,701.87x = 101,708.91 × 41,872.51
  4. Step 4: Simplify right side
    73,701.87x = 4,258,807,351.06
  5. Step 5: Solve for x
    x = 4,258,807,351.06/73,701.87
  6. Step 6: Final answer
    x = 57,784.25

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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.