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Finding the Fourth Proportional to 173,717.70, 260,576.55 and 122,979.30

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Solution

The fourth proportional to 173,717.70, 260,576.55 and 122,979.30 is: 184,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,717.70 : 260,576.55 = 122,979.30 : x
  2. Step 2: Convert to fraction form
    173,717.70/260,576.55 = 122,979.30/x
  3. Step 3: Cross multiply
    173,717.70x = 260,576.55 × 122,979.30
  4. Step 4: Simplify right side
    173,717.70x = 32,045,521,715.42
  5. Step 5: Solve for x
    x = 32,045,521,715.42/173,717.70
  6. Step 6: Final answer
    x = 184,468.95

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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.