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Finding the Fourth Proportional to 190,575.48, 285,863.22 and 65,848.44

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Solution

The fourth proportional to 190,575.48, 285,863.22 and 65,848.44 is: 98,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,575.48 : 285,863.22 = 65,848.44 : x
  2. Step 2: Convert to fraction form
    190,575.48/285,863.22 = 65,848.44/x
  3. Step 3: Cross multiply
    190,575.48x = 285,863.22 × 65,848.44
  4. Step 4: Simplify right side
    190,575.48x = 18,823,647,090.38
  5. Step 5: Solve for x
    x = 18,823,647,090.38/190,575.48
  6. Step 6: Final answer
    x = 98,772.66

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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.