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Finding the Fourth Proportional to 109,846.56, 151,587.24 and 61,447.92

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Solution

The fourth proportional to 109,846.56, 151,587.24 and 61,447.92 is: 84,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,846.56 : 151,587.24 = 61,447.92 : x
  2. Step 2: Convert to fraction form
    109,846.56/151,587.24 = 61,447.92/x
  3. Step 3: Cross multiply
    109,846.56x = 151,587.24 × 61,447.92
  4. Step 4: Simplify right side
    109,846.56x = 9,314,720,596.54
  5. Step 5: Solve for x
    x = 9,314,720,596.54/109,846.56
  6. Step 6: Final answer
    x = 84,797.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.