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Finding the Fourth Proportional to 71,301.52, 106,953.79 and 26,949.16

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Solution

The fourth proportional to 71,301.52, 106,953.79 and 26,949.16 is: 40,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,301.52 : 106,953.79 = 26,949.16 : x
  2. Step 2: Convert to fraction form
    71,301.52/106,953.79 = 26,949.16/x
  3. Step 3: Cross multiply
    71,301.52x = 106,953.79 × 26,949.16
  4. Step 4: Simplify right side
    71,301.52x = 2,882,314,390.34
  5. Step 5: Solve for x
    x = 2,882,314,390.34/71,301.52
  6. Step 6: Final answer
    x = 40,424.31

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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.