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Finding the Fourth Proportional to 190,053.92, 284,996.64 and 101,290.88

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Solution

The fourth proportional to 190,053.92, 284,996.64 and 101,290.88 is: 151,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,053.92 : 284,996.64 = 101,290.88 : x
  2. Step 2: Convert to fraction form
    190,053.92/284,996.64 = 101,290.88/x
  3. Step 3: Cross multiply
    190,053.92x = 284,996.64 × 101,290.88
  4. Step 4: Simplify right side
    190,053.92x = 28,867,560,462.64
  5. Step 5: Solve for x
    x = 28,867,560,462.64/190,053.92
  6. Step 6: Final answer
    x = 151,891.42

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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.