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Finding the Fourth Proportional to 196,505.60, 294,815.80 and 63,382.91

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Solution

The fourth proportional to 196,505.60, 294,815.80 and 63,382.91 is: 95,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,505.60 : 294,815.80 = 63,382.91 : x
  2. Step 2: Convert to fraction form
    196,505.60/294,815.80 = 63,382.91/x
  3. Step 3: Cross multiply
    196,505.60x = 294,815.80 × 63,382.91
  4. Step 4: Simplify right side
    196,505.60x = 18,686,281,923.13
  5. Step 5: Solve for x
    x = 18,686,281,923.13/196,505.60
  6. Step 6: Final answer
    x = 95,092.87

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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.