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Finding the Fourth Proportional to 160,902.70, 241,440.45 and 67,417.90

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Solution

The fourth proportional to 160,902.70, 241,440.45 and 67,417.90 is: 101,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,902.70 : 241,440.45 = 67,417.90 : x
  2. Step 2: Convert to fraction form
    160,902.70/241,440.45 = 67,417.90/x
  3. Step 3: Cross multiply
    160,902.70x = 241,440.45 × 67,417.90
  4. Step 4: Simplify right side
    160,902.70x = 16,277,408,114.06
  5. Step 5: Solve for x
    x = 16,277,408,114.06/160,902.70
  6. Step 6: Final answer
    x = 101,163.05

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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.