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Finding the Fourth Proportional to 73,813.50, 101,859.66 and 43,608.51

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Solution

The fourth proportional to 73,813.50, 101,859.66 and 43,608.51 is: 60,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,813.50 : 101,859.66 = 43,608.51 : x
  2. Step 2: Convert to fraction form
    73,813.50/101,859.66 = 43,608.51/x
  3. Step 3: Cross multiply
    73,813.50x = 101,859.66 × 43,608.51
  4. Step 4: Simplify right side
    73,813.50x = 4,441,948,001.71
  5. Step 5: Solve for x
    x = 4,441,948,001.71/73,813.50
  6. Step 6: Final answer
    x = 60,177.99

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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.