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Finding the Fourth Proportional to 196,639.80, 295,002.90 and 63,497.40

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Solution

The fourth proportional to 196,639.80, 295,002.90 and 63,497.40 is: 95,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,639.80 : 295,002.90 = 63,497.40 : x
  2. Step 2: Convert to fraction form
    196,639.80/295,002.90 = 63,497.40/x
  3. Step 3: Cross multiply
    196,639.80x = 295,002.90 × 63,497.40
  4. Step 4: Simplify right side
    196,639.80x = 18,731,917,142.46
  5. Step 5: Solve for x
    x = 18,731,917,142.46/196,639.80
  6. Step 6: Final answer
    x = 95,260.05

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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.