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Finding the Fourth Proportional to 90,527.52, 135,614.70 and 59,268

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Solution

The fourth proportional to 90,527.52, 135,614.70 and 59,268 is: 88,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.52 : 135,614.70 = 59,268 : x
  2. Step 2: Convert to fraction form
    90,527.52/135,614.70 = 59,268/x
  3. Step 3: Cross multiply
    90,527.52x = 135,614.70 × 59,268
  4. Step 4: Simplify right side
    90,527.52x = 8,037,612,039.60
  5. Step 5: Solve for x
    x = 8,037,612,039.60/90,527.52
  6. Step 6: Final answer
    x = 88,786.39

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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.