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Finding the Fourth Proportional to 173,796, 260,115.38 and 131,442.72

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Solution

The fourth proportional to 173,796, 260,115.38 and 131,442.72 is: 196,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,796 : 260,115.38 = 131,442.72 : x
  2. Step 2: Convert to fraction form
    173,796/260,115.38 = 131,442.72/x
  3. Step 3: Cross multiply
    173,796x = 260,115.38 × 131,442.72
  4. Step 4: Simplify right side
    173,796x = 34,190,273,061.03
  5. Step 5: Solve for x
    x = 34,190,273,061.03/173,796
  6. Step 6: Final answer
    x = 196,726.47

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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.