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Finding the Fourth Proportional to 196,625, 294,862.44 and 70,241.72

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Solution

The fourth proportional to 196,625, 294,862.44 and 70,241.72 is: 105,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,625 : 294,862.44 = 70,241.72 : x
  2. Step 2: Convert to fraction form
    196,625/294,862.44 = 70,241.72/x
  3. Step 3: Cross multiply
    196,625x = 294,862.44 × 70,241.72
  4. Step 4: Simplify right side
    196,625x = 20,711,644,949.00
  5. Step 5: Solve for x
    x = 20,711,644,949.00/196,625
  6. Step 6: Final answer
    x = 105,335.77

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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.