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Finding the Fourth Proportional to 194,854.60, 292,719.30 and 187,418.80

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Solution

The fourth proportional to 194,854.60, 292,719.30 and 187,418.80 is: 281,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,854.60 : 292,719.30 = 187,418.80 : x
  2. Step 2: Convert to fraction form
    194,854.60/292,719.30 = 187,418.80/x
  3. Step 3: Cross multiply
    194,854.60x = 292,719.30 × 187,418.80
  4. Step 4: Simplify right side
    194,854.60x = 54,861,099,942.84
  5. Step 5: Solve for x
    x = 54,861,099,942.84/194,854.60
  6. Step 6: Final answer
    x = 281,548.91

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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.