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Finding the Fourth Proportional to 73,640.16, 110,394 and 26,860.32

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Solution

The fourth proportional to 73,640.16, 110,394 and 26,860.32 is: 40,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.16 : 110,394 = 26,860.32 : x
  2. Step 2: Convert to fraction form
    73,640.16/110,394 = 26,860.32/x
  3. Step 3: Cross multiply
    73,640.16x = 110,394 × 26,860.32
  4. Step 4: Simplify right side
    73,640.16x = 2,965,218,166.08
  5. Step 5: Solve for x
    x = 2,965,218,166.08/73,640.16
  6. Step 6: Final answer
    x = 40,266.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.