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Finding the Fourth Proportional to 196,885.88, 295,357.80 and 63,721.88

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Solution

The fourth proportional to 196,885.88, 295,357.80 and 63,721.88 is: 95,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,885.88 : 295,357.80 = 63,721.88 : x
  2. Step 2: Convert to fraction form
    196,885.88/295,357.80 = 63,721.88/x
  3. Step 3: Cross multiply
    196,885.88x = 295,357.80 × 63,721.88
  4. Step 4: Simplify right side
    196,885.88x = 18,820,754,288.66
  5. Step 5: Solve for x
    x = 18,820,754,288.66/196,885.88
  6. Step 6: Final answer
    x = 95,592.20

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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.