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Finding the Fourth Proportional to 101,240.28, 151,849.49 and 56,727.54

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Solution

The fourth proportional to 101,240.28, 151,849.49 and 56,727.54 is: 85,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,240.28 : 151,849.49 = 56,727.54 : x
  2. Step 2: Convert to fraction form
    101,240.28/151,849.49 = 56,727.54/x
  3. Step 3: Cross multiply
    101,240.28x = 151,849.49 × 56,727.54
  4. Step 4: Simplify right side
    101,240.28x = 8,614,047,734.32
  5. Step 5: Solve for x
    x = 8,614,047,734.32/101,240.28
  6. Step 6: Final answer
    x = 85,085.18

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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.