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Finding the Fourth Proportional to 90,169.38, 135,266.38 and 37,566.56

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Solution

The fourth proportional to 90,169.38, 135,266.38 and 37,566.56 is: 56,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,169.38 : 135,266.38 = 37,566.56 : x
  2. Step 2: Convert to fraction form
    90,169.38/135,266.38 = 37,566.56/x
  3. Step 3: Cross multiply
    90,169.38x = 135,266.38 × 37,566.56
  4. Step 4: Simplify right side
    90,169.38x = 5,081,492,824.50
  5. Step 5: Solve for x
    x = 5,081,492,824.50/90,169.38
  6. Step 6: Final answer
    x = 56,354.97

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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.