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Finding the Fourth Proportional to 173,288.48, 259,930.64 and 54,960.84

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Solution

The fourth proportional to 173,288.48, 259,930.64 and 54,960.84 is: 82,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,288.48 : 259,930.64 = 54,960.84 : x
  2. Step 2: Convert to fraction form
    173,288.48/259,930.64 = 54,960.84/x
  3. Step 3: Cross multiply
    173,288.48x = 259,930.64 × 54,960.84
  4. Step 4: Simplify right side
    173,288.48x = 14,286,006,316.14
  5. Step 5: Solve for x
    x = 14,286,006,316.14/173,288.48
  6. Step 6: Final answer
    x = 82,440.60

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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.