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Finding the Fourth Proportional to 173,841.78, 260,762.68 and 111,905.94

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Solution

The fourth proportional to 173,841.78, 260,762.68 and 111,905.94 is: 167,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,841.78 : 260,762.68 = 111,905.94 : x
  2. Step 2: Convert to fraction form
    173,841.78/260,762.68 = 111,905.94/x
  3. Step 3: Cross multiply
    173,841.78x = 260,762.68 × 111,905.94
  4. Step 4: Simplify right side
    173,841.78x = 29,180,892,822.32
  5. Step 5: Solve for x
    x = 29,180,892,822.32/173,841.78
  6. Step 6: Final answer
    x = 167,858.92

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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.