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Finding the Fourth Proportional to 73,795.56, 110,681.44 and 21,193.08

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Solution

The fourth proportional to 73,795.56, 110,681.44 and 21,193.08 is: 31,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,795.56 : 110,681.44 = 21,193.08 : x
  2. Step 2: Convert to fraction form
    73,795.56/110,681.44 = 21,193.08/x
  3. Step 3: Cross multiply
    73,795.56x = 110,681.44 × 21,193.08
  4. Step 4: Simplify right side
    73,795.56x = 2,345,680,612.44
  5. Step 5: Solve for x
    x = 2,345,680,612.44/73,795.56
  6. Step 6: Final answer
    x = 31,786.20

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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.