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Finding the Fourth Proportional to 73,898.62, 101,873.79 and 52,640.98

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Solution

The fourth proportional to 73,898.62, 101,873.79 and 52,640.98 is: 72,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.62 : 101,873.79 = 52,640.98 : x
  2. Step 2: Convert to fraction form
    73,898.62/101,873.79 = 52,640.98/x
  3. Step 3: Cross multiply
    73,898.62x = 101,873.79 × 52,640.98
  4. Step 4: Simplify right side
    73,898.62x = 5,362,735,887.23
  5. Step 5: Solve for x
    x = 5,362,735,887.23/73,898.62
  6. Step 6: Final answer
    x = 72,568.83

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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.