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Finding the Fourth Proportional to 73,655.08, 110,462.45 and 20,334.31

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Solution

The fourth proportional to 73,655.08, 110,462.45 and 20,334.31 is: 30,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,655.08 : 110,462.45 = 20,334.31 : x
  2. Step 2: Convert to fraction form
    73,655.08/110,462.45 = 20,334.31/x
  3. Step 3: Cross multiply
    73,655.08x = 110,462.45 × 20,334.31
  4. Step 4: Simplify right side
    73,655.08x = 2,246,177,323.83
  5. Step 5: Solve for x
    x = 2,246,177,323.83/73,655.08
  6. Step 6: Final answer
    x = 30,495.89

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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.