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Finding the Fourth Proportional to 159,408.21, 239,097.66 and 48,600.21

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Solution

The fourth proportional to 159,408.21, 239,097.66 and 48,600.21 is: 72,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,408.21 : 239,097.66 = 48,600.21 : x
  2. Step 2: Convert to fraction form
    159,408.21/239,097.66 = 48,600.21/x
  3. Step 3: Cross multiply
    159,408.21x = 239,097.66 × 48,600.21
  4. Step 4: Simplify right side
    159,408.21x = 11,620,196,486.51
  5. Step 5: Solve for x
    x = 11,620,196,486.51/159,408.21
  6. Step 6: Final answer
    x = 72,895.85

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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.