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Finding the Fourth Proportional to 90,773.92, 135,927.60 and 55,606.96

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Solution

The fourth proportional to 90,773.92, 135,927.60 and 55,606.96 is: 83,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,773.92 : 135,927.60 = 55,606.96 : x
  2. Step 2: Convert to fraction form
    90,773.92/135,927.60 = 55,606.96/x
  3. Step 3: Cross multiply
    90,773.92x = 135,927.60 × 55,606.96
  4. Step 4: Simplify right side
    90,773.92x = 7,558,520,616.10
  5. Step 5: Solve for x
    x = 7,558,520,616.10/90,773.92
  6. Step 6: Final answer
    x = 83,267.54

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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.