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Finding the Fourth Proportional to 194,626.60, 291,939.90 and 186,850.60

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Solution

The fourth proportional to 194,626.60, 291,939.90 and 186,850.60 is: 280,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,626.60 : 291,939.90 = 186,850.60 : x
  2. Step 2: Convert to fraction form
    194,626.60/291,939.90 = 186,850.60/x
  3. Step 3: Cross multiply
    194,626.60x = 291,939.90 × 186,850.60
  4. Step 4: Simplify right side
    194,626.60x = 54,549,145,478.94
  5. Step 5: Solve for x
    x = 54,549,145,478.94/194,626.60
  6. Step 6: Final answer
    x = 280,275.90

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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.