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Finding the Fourth Proportional to 110,473.20, 165,709.80 and 36,601.20

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Solution

The fourth proportional to 110,473.20, 165,709.80 and 36,601.20 is: 54,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,473.20 : 165,709.80 = 36,601.20 : x
  2. Step 2: Convert to fraction form
    110,473.20/165,709.80 = 36,601.20/x
  3. Step 3: Cross multiply
    110,473.20x = 165,709.80 × 36,601.20
  4. Step 4: Simplify right side
    110,473.20x = 6,065,177,531.76
  5. Step 5: Solve for x
    x = 6,065,177,531.76/110,473.20
  6. Step 6: Final answer
    x = 54,901.80

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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.