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Finding the Fourth Proportional to 159,716.91, 220,408.44 and 88,096.77

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Solution

The fourth proportional to 159,716.91, 220,408.44 and 88,096.77 is: 121,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,716.91 : 220,408.44 = 88,096.77 : x
  2. Step 2: Convert to fraction form
    159,716.91/220,408.44 = 88,096.77/x
  3. Step 3: Cross multiply
    159,716.91x = 220,408.44 × 88,096.77
  4. Step 4: Simplify right side
    159,716.91x = 19,417,271,644.74
  5. Step 5: Solve for x
    x = 19,417,271,644.74/159,716.91
  6. Step 6: Final answer
    x = 121,573.05

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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.