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Finding the Fourth Proportional to 194,788.80, 292,401.90 and 150,611.40

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Solution

The fourth proportional to 194,788.80, 292,401.90 and 150,611.40 is: 226,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,788.80 : 292,401.90 = 150,611.40 : x
  2. Step 2: Convert to fraction form
    194,788.80/292,401.90 = 150,611.40/x
  3. Step 3: Cross multiply
    194,788.80x = 292,401.90 × 150,611.40
  4. Step 4: Simplify right side
    194,788.80x = 44,039,059,521.66
  5. Step 5: Solve for x
    x = 44,039,059,521.66/194,788.80
  6. Step 6: Final answer
    x = 226,086.20

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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.