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Finding the Fourth Proportional to 73,281.70, 109,930.50 and 23,350.06

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Solution

The fourth proportional to 73,281.70, 109,930.50 and 23,350.06 is: 35,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,281.70 : 109,930.50 = 23,350.06 : x
  2. Step 2: Convert to fraction form
    73,281.70/109,930.50 = 23,350.06/x
  3. Step 3: Cross multiply
    73,281.70x = 109,930.50 × 23,350.06
  4. Step 4: Simplify right side
    73,281.70x = 2,566,883,770.83
  5. Step 5: Solve for x
    x = 2,566,883,770.83/73,281.70
  6. Step 6: Final answer
    x = 35,027.62

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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.