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Finding the Fourth Proportional to 90,601.84, 135,849.84 and 27,403.12

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Solution

The fourth proportional to 90,601.84, 135,849.84 and 27,403.12 is: 41,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.84 : 135,849.84 = 27,403.12 : x
  2. Step 2: Convert to fraction form
    90,601.84/135,849.84 = 27,403.12/x
  3. Step 3: Cross multiply
    90,601.84x = 135,849.84 × 27,403.12
  4. Step 4: Simplify right side
    90,601.84x = 3,722,709,467.50
  5. Step 5: Solve for x
    x = 3,722,709,467.50/90,601.84
  6. Step 6: Final answer
    x = 41,088.67

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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.