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Finding the Fourth Proportional to 73,525.40, 110,215.20 and 36,054.80

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Solution

The fourth proportional to 73,525.40, 110,215.20 and 36,054.80 is: 54,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,525.40 : 110,215.20 = 36,054.80 : x
  2. Step 2: Convert to fraction form
    73,525.40/110,215.20 = 36,054.80/x
  3. Step 3: Cross multiply
    73,525.40x = 110,215.20 × 36,054.80
  4. Step 4: Simplify right side
    73,525.40x = 3,973,786,992.96
  5. Step 5: Solve for x
    x = 3,973,786,992.96/73,525.40
  6. Step 6: Final answer
    x = 54,046.45

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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.