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Finding the Fourth Proportional to 188,754, 283,174.80 and 64,095.12

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Solution

The fourth proportional to 188,754, 283,174.80 and 64,095.12 is: 96,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,754 : 283,174.80 = 64,095.12 : x
  2. Step 2: Convert to fraction form
    188,754/283,174.80 = 64,095.12/x
  3. Step 3: Cross multiply
    188,754x = 283,174.80 × 64,095.12
  4. Step 4: Simplify right side
    188,754x = 18,150,122,786.98
  5. Step 5: Solve for x
    x = 18,150,122,786.98/188,754
  6. Step 6: Final answer
    x = 96,157.55

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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.