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Finding the Fourth Proportional to 173,902.20, 260,853.30 and 165,737.40

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Solution

The fourth proportional to 173,902.20, 260,853.30 and 165,737.40 is: 248,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,902.20 : 260,853.30 = 165,737.40 : x
  2. Step 2: Convert to fraction form
    173,902.20/260,853.30 = 165,737.40/x
  3. Step 3: Cross multiply
    173,902.20x = 260,853.30 × 165,737.40
  4. Step 4: Simplify right side
    173,902.20x = 43,233,147,723.42
  5. Step 5: Solve for x
    x = 43,233,147,723.42/173,902.20
  6. Step 6: Final answer
    x = 248,606.10

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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.