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Finding the Fourth Proportional to 90,502.48, 135,615.21 and 37,883.26

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Solution

The fourth proportional to 90,502.48, 135,615.21 and 37,883.26 is: 56,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,502.48 : 135,615.21 = 37,883.26 : x
  2. Step 2: Convert to fraction form
    90,502.48/135,615.21 = 37,883.26/x
  3. Step 3: Cross multiply
    90,502.48x = 135,615.21 × 37,883.26
  4. Step 4: Simplify right side
    90,502.48x = 5,137,546,260.38
  5. Step 5: Solve for x
    x = 5,137,546,260.38/90,502.48
  6. Step 6: Final answer
    x = 56,766.91

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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.