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Finding the Fourth Proportional to 173,883.10, 260,435.85 and 134,311.90

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Solution

The fourth proportional to 173,883.10, 260,435.85 and 134,311.90 is: 201,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,883.10 : 260,435.85 = 134,311.90 : x
  2. Step 2: Convert to fraction form
    173,883.10/260,435.85 = 134,311.90/x
  3. Step 3: Cross multiply
    173,883.10x = 260,435.85 × 134,311.90
  4. Step 4: Simplify right side
    173,883.10x = 34,979,633,841.62
  5. Step 5: Solve for x
    x = 34,979,633,841.62/173,883.10
  6. Step 6: Final answer
    x = 201,167.53

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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.