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Finding the Fourth Proportional to 194,463.25, 291,694.88 and 63,135.25

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Solution

The fourth proportional to 194,463.25, 291,694.88 and 63,135.25 is: 94,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,463.25 : 291,694.88 = 63,135.25 : x
  2. Step 2: Convert to fraction form
    194,463.25/291,694.88 = 63,135.25/x
  3. Step 3: Cross multiply
    194,463.25x = 291,694.88 × 63,135.25
  4. Step 4: Simplify right side
    194,463.25x = 18,416,228,856.84
  5. Step 5: Solve for x
    x = 18,416,228,856.84/194,463.25
  6. Step 6: Final answer
    x = 94,702.88

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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.