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Finding the Fourth Proportional to 173,592.78, 260,121.24 and 117,211.92

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Solution

The fourth proportional to 173,592.78, 260,121.24 and 117,211.92 is: 175,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,592.78 : 260,121.24 = 117,211.92 : x
  2. Step 2: Convert to fraction form
    173,592.78/260,121.24 = 117,211.92/x
  3. Step 3: Cross multiply
    173,592.78x = 260,121.24 × 117,211.92
  4. Step 4: Simplify right side
    173,592.78x = 30,489,309,973.18
  5. Step 5: Solve for x
    x = 30,489,309,973.18/173,592.78
  6. Step 6: Final answer
    x = 175,636.97

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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.