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Finding the Fourth Proportional to 73,172.35, 109,747.06 and 23,245.89

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Solution

The fourth proportional to 73,172.35, 109,747.06 and 23,245.89 is: 34,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,172.35 : 109,747.06 = 23,245.89 : x
  2. Step 2: Convert to fraction form
    73,172.35/109,747.06 = 23,245.89/x
  3. Step 3: Cross multiply
    73,172.35x = 109,747.06 × 23,245.89
  4. Step 4: Simplify right side
    73,172.35x = 2,551,168,084.58
  5. Step 5: Solve for x
    x = 2,551,168,084.58/73,172.35
  6. Step 6: Final answer
    x = 34,865.19

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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.