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Finding the Fourth Proportional to 147,552.96, 203,619.84 and 80,484.80

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Solution

The fourth proportional to 147,552.96, 203,619.84 and 80,484.80 is: 111,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,552.96 : 203,619.84 = 80,484.80 : x
  2. Step 2: Convert to fraction form
    147,552.96/203,619.84 = 80,484.80/x
  3. Step 3: Cross multiply
    147,552.96x = 203,619.84 × 80,484.80
  4. Step 4: Simplify right side
    147,552.96x = 16,388,302,098.43
  5. Step 5: Solve for x
    x = 16,388,302,098.43/147,552.96
  6. Step 6: Final answer
    x = 111,067.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.