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Finding the Fourth Proportional to 73,500.63, 110,209.23 and 67,231.23

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Solution

The fourth proportional to 73,500.63, 110,209.23 and 67,231.23 is: 100,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,500.63 : 110,209.23 = 67,231.23 : x
  2. Step 2: Convert to fraction form
    73,500.63/110,209.23 = 67,231.23/x
  3. Step 3: Cross multiply
    73,500.63x = 110,209.23 × 67,231.23
  4. Step 4: Simplify right side
    73,500.63x = 7,409,502,090.25
  5. Step 5: Solve for x
    x = 7,409,502,090.25/73,500.63
  6. Step 6: Final answer
    x = 100,808.69

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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.