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Finding the Fourth Proportional to 196,987.72, 295,524.76 and 63,881.43

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Solution

The fourth proportional to 196,987.72, 295,524.76 and 63,881.43 is: 95,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,987.72 : 295,524.76 = 63,881.43 : x
  2. Step 2: Convert to fraction form
    196,987.72/295,524.76 = 63,881.43/x
  3. Step 3: Cross multiply
    196,987.72x = 295,524.76 × 63,881.43
  4. Step 4: Simplify right side
    196,987.72x = 18,878,544,269.21
  5. Step 5: Solve for x
    x = 18,878,544,269.21/196,987.72
  6. Step 6: Final answer
    x = 95,836.15

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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.