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Finding the Fourth Proportional to 194,911.66, 292,392.09 and 68,522.20

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Solution

The fourth proportional to 194,911.66, 292,392.09 and 68,522.20 is: 102,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,911.66 : 292,392.09 = 68,522.20 : x
  2. Step 2: Convert to fraction form
    194,911.66/292,392.09 = 68,522.20/x
  3. Step 3: Cross multiply
    194,911.66x = 292,392.09 × 68,522.20
  4. Step 4: Simplify right side
    194,911.66x = 20,035,348,538.42
  5. Step 5: Solve for x
    x = 20,035,348,538.42/194,911.66
  6. Step 6: Final answer
    x = 102,791.95

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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.