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Finding the Fourth Proportional to 73,591.74, 110,388.65 and 21,001.23

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Solution

The fourth proportional to 73,591.74, 110,388.65 and 21,001.23 is: 31,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,591.74 : 110,388.65 = 21,001.23 : x
  2. Step 2: Convert to fraction form
    73,591.74/110,388.65 = 21,001.23/x
  3. Step 3: Cross multiply
    73,591.74x = 110,388.65 × 21,001.23
  4. Step 4: Simplify right side
    73,591.74x = 2,318,297,323.03
  5. Step 5: Solve for x
    x = 2,318,297,323.03/73,591.74
  6. Step 6: Final answer
    x = 31,502.14

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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.