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Finding the Fourth Proportional to 194,523.80, 291,782.79 and 118,644.62

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Solution

The fourth proportional to 194,523.80, 291,782.79 and 118,644.62 is: 177,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,523.80 : 291,782.79 = 118,644.62 : x
  2. Step 2: Convert to fraction form
    194,523.80/291,782.79 = 118,644.62/x
  3. Step 3: Cross multiply
    194,523.80x = 291,782.79 × 118,644.62
  4. Step 4: Simplify right side
    194,523.80x = 34,618,456,783.18
  5. Step 5: Solve for x
    x = 34,618,456,783.18/194,523.80
  6. Step 6: Final answer
    x = 177,965.15

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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.