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Finding the Fourth Proportional to 147,052.44, 220,600.62 and 68,174.64

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Solution

The fourth proportional to 147,052.44, 220,600.62 and 68,174.64 is: 102,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,052.44 : 220,600.62 = 68,174.64 : x
  2. Step 2: Convert to fraction form
    147,052.44/220,600.62 = 68,174.64/x
  3. Step 3: Cross multiply
    147,052.44x = 220,600.62 × 68,174.64
  4. Step 4: Simplify right side
    147,052.44x = 15,039,367,852.28
  5. Step 5: Solve for x
    x = 15,039,367,852.28/147,052.44
  6. Step 6: Final answer
    x = 102,272.14

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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.