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Finding the Fourth Proportional to 196,498.68, 294,737.69 and 63,378.96

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Solution

The fourth proportional to 196,498.68, 294,737.69 and 63,378.96 is: 95,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,498.68 : 294,737.69 = 63,378.96 : x
  2. Step 2: Convert to fraction form
    196,498.68/294,737.69 = 63,378.96/x
  3. Step 3: Cross multiply
    196,498.68x = 294,737.69 × 63,378.96
  4. Step 4: Simplify right side
    196,498.68x = 18,680,166,961.68
  5. Step 5: Solve for x
    x = 18,680,166,961.68/196,498.68
  6. Step 6: Final answer
    x = 95,065.10

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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.