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Finding the Fourth Proportional to 173,311.60, 260,161.80 and 134,042.80

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Solution

The fourth proportional to 173,311.60, 260,161.80 and 134,042.80 is: 201,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,311.60 : 260,161.80 = 134,042.80 : x
  2. Step 2: Convert to fraction form
    173,311.60/260,161.80 = 134,042.80/x
  3. Step 3: Cross multiply
    173,311.60x = 260,161.80 × 134,042.80
  4. Step 4: Simplify right side
    173,311.60x = 34,872,816,125.04
  5. Step 5: Solve for x
    x = 34,872,816,125.04/173,311.60
  6. Step 6: Final answer
    x = 201,214.55

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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.