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Finding the Fourth Proportional to 101,103.76, 151,655.28 and 26,217.64

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Solution

The fourth proportional to 101,103.76, 151,655.28 and 26,217.64 is: 39,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,103.76 : 151,655.28 = 26,217.64 : x
  2. Step 2: Convert to fraction form
    101,103.76/151,655.28 = 26,217.64/x
  3. Step 3: Cross multiply
    101,103.76x = 151,655.28 × 26,217.64
  4. Step 4: Simplify right side
    101,103.76x = 3,976,043,535.14
  5. Step 5: Solve for x
    x = 3,976,043,535.14/101,103.76
  6. Step 6: Final answer
    x = 39,326.37

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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.