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Finding the Fourth Proportional to 194,168.20, 291,252.30 and 75,843.40

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Solution

The fourth proportional to 194,168.20, 291,252.30 and 75,843.40 is: 113,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,168.20 : 291,252.30 = 75,843.40 : x
  2. Step 2: Convert to fraction form
    194,168.20/291,252.30 = 75,843.40/x
  3. Step 3: Cross multiply
    194,168.20x = 291,252.30 × 75,843.40
  4. Step 4: Simplify right side
    194,168.20x = 22,089,564,689.82
  5. Step 5: Solve for x
    x = 22,089,564,689.82/194,168.20
  6. Step 6: Final answer
    x = 113,765.10

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1.5x scale

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.