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Finding the Fourth Proportional to 194,246.64, 291,404.12 and 80,394.12

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Solution

The fourth proportional to 194,246.64, 291,404.12 and 80,394.12 is: 120,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,246.64 : 291,404.12 = 80,394.12 : x
  2. Step 2: Convert to fraction form
    194,246.64/291,404.12 = 80,394.12/x
  3. Step 3: Cross multiply
    194,246.64x = 291,404.12 × 80,394.12
  4. Step 4: Simplify right side
    194,246.64x = 23,427,177,389.80
  5. Step 5: Solve for x
    x = 23,427,177,389.80/194,246.64
  6. Step 6: Final answer
    x = 120,605.32

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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.