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Finding the Fourth Proportional to 173,601.30, 260,488.35 and 68,423.70

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Solution

The fourth proportional to 173,601.30, 260,488.35 and 68,423.70 is: 102,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,601.30 : 260,488.35 = 68,423.70 : x
  2. Step 2: Convert to fraction form
    173,601.30/260,488.35 = 68,423.70/x
  3. Step 3: Cross multiply
    173,601.30x = 260,488.35 × 68,423.70
  4. Step 4: Simplify right side
    173,601.30x = 17,823,576,713.90
  5. Step 5: Solve for x
    x = 17,823,576,713.90/173,601.30
  6. Step 6: Final answer
    x = 102,669.60

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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.