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Finding the Fourth Proportional to 194,490.60, 292,173.30 and 187,054.80

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Solution

The fourth proportional to 194,490.60, 292,173.30 and 187,054.80 is: 281,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,490.60 : 292,173.30 = 187,054.80 : x
  2. Step 2: Convert to fraction form
    194,490.60/292,173.30 = 187,054.80/x
  3. Step 3: Cross multiply
    194,490.60x = 292,173.30 × 187,054.80
  4. Step 4: Simplify right side
    194,490.60x = 54,652,418,196.84
  5. Step 5: Solve for x
    x = 54,652,418,196.84/194,490.60
  6. Step 6: Final answer
    x = 281,002.88

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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.