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Finding the Fourth Proportional to 101,112.72, 151,672.92 and 26,230.92

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Solution

The fourth proportional to 101,112.72, 151,672.92 and 26,230.92 is: 39,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,112.72 : 151,672.92 = 26,230.92 : x
  2. Step 2: Convert to fraction form
    101,112.72/151,672.92 = 26,230.92/x
  3. Step 3: Cross multiply
    101,112.72x = 151,672.92 × 26,230.92
  4. Step 4: Simplify right side
    101,112.72x = 3,978,520,230.69
  5. Step 5: Solve for x
    x = 3,978,520,230.69/101,112.72
  6. Step 6: Final answer
    x = 39,347.38

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1.5x scale

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.