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Finding the Fourth Proportional to 90,350.52, 135,460.02 and 37,774.92

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Solution

The fourth proportional to 90,350.52, 135,460.02 and 37,774.92 is: 56,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,350.52 : 135,460.02 = 37,774.92 : x
  2. Step 2: Convert to fraction form
    90,350.52/135,460.02 = 37,774.92/x
  3. Step 3: Cross multiply
    90,350.52x = 135,460.02 × 37,774.92
  4. Step 4: Simplify right side
    90,350.52x = 5,116,991,418.70
  5. Step 5: Solve for x
    x = 5,116,991,418.70/90,350.52
  6. Step 6: Final answer
    x = 56,634.89

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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.