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Finding the Fourth Proportional to 190,362.98, 285,343.52 and 63,883.31

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Solution

The fourth proportional to 190,362.98, 285,343.52 and 63,883.31 is: 95,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,362.98 : 285,343.52 = 63,883.31 : x
  2. Step 2: Convert to fraction form
    190,362.98/285,343.52 = 63,883.31/x
  3. Step 3: Cross multiply
    190,362.98x = 285,343.52 × 63,883.31
  4. Step 4: Simplify right side
    190,362.98x = 18,228,686,798.52
  5. Step 5: Solve for x
    x = 18,228,686,798.52/190,362.98
  6. Step 6: Final answer
    x = 95,757.52

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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.