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Finding the Fourth Proportional to 159,846.68, 220,578.98 and 88,224.86

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Solution

The fourth proportional to 159,846.68, 220,578.98 and 88,224.86 is: 121,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,846.68 : 220,578.98 = 88,224.86 : x
  2. Step 2: Convert to fraction form
    159,846.68/220,578.98 = 88,224.86/x
  3. Step 3: Cross multiply
    159,846.68x = 220,578.98 × 88,224.86
  4. Step 4: Simplify right side
    159,846.68x = 19,460,549,629.44
  5. Step 5: Solve for x
    x = 19,460,549,629.44/159,846.68
  6. Step 6: Final answer
    x = 121,745.10

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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.