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Finding the Fourth Proportional to 173,843.78, 260,765.68 and 111,907.94

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Solution

The fourth proportional to 173,843.78, 260,765.68 and 111,907.94 is: 167,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,843.78 : 260,765.68 = 111,907.94 : x
  2. Step 2: Convert to fraction form
    173,843.78/260,765.68 = 111,907.94/x
  3. Step 3: Cross multiply
    173,843.78x = 260,765.68 × 111,907.94
  4. Step 4: Simplify right side
    173,843.78x = 29,181,750,071.50
  5. Step 5: Solve for x
    x = 29,181,750,071.50/173,843.78
  6. Step 6: Final answer
    x = 167,861.92

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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.