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Finding the Fourth Proportional to 73,433.82, 101,338.38 and 43,218.93

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Solution

The fourth proportional to 73,433.82, 101,338.38 and 43,218.93 is: 59,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,433.82 : 101,338.38 = 43,218.93 : x
  2. Step 2: Convert to fraction form
    73,433.82/101,338.38 = 43,218.93/x
  3. Step 3: Cross multiply
    73,433.82x = 101,338.38 × 43,218.93
  4. Step 4: Simplify right side
    73,433.82x = 4,379,736,351.53
  5. Step 5: Solve for x
    x = 4,379,736,351.53/73,433.82
  6. Step 6: Final answer
    x = 59,641.95

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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.