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Finding the Fourth Proportional to 99,012.76, 148,527.86 and 27,936.01

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Solution

The fourth proportional to 99,012.76, 148,527.86 and 27,936.01 is: 41,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,012.76 : 148,527.86 = 27,936.01 : x
  2. Step 2: Convert to fraction form
    99,012.76/148,527.86 = 27,936.01/x
  3. Step 3: Cross multiply
    99,012.76x = 148,527.86 × 27,936.01
  4. Step 4: Simplify right side
    99,012.76x = 4,149,275,782.24
  5. Step 5: Solve for x
    x = 4,149,275,782.24/99,012.76
  6. Step 6: Final answer
    x = 41,906.48

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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.