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Finding the Fourth Proportional to 173,708.40, 261,000 and 110,557.56

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Solution

The fourth proportional to 173,708.40, 261,000 and 110,557.56 is: 166,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,708.40 : 261,000 = 110,557.56 : x
  2. Step 2: Convert to fraction form
    173,708.40/261,000 = 110,557.56/x
  3. Step 3: Cross multiply
    173,708.40x = 261,000 × 110,557.56
  4. Step 4: Simplify right side
    173,708.40x = 28,855,523,160
  5. Step 5: Solve for x
    x = 28,855,523,160/173,708.40
  6. Step 6: Final answer
    x = 166,114.73

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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.