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Finding the Fourth Proportional to 89,812.80, 134,767.80 and 37,227.60

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Solution

The fourth proportional to 89,812.80, 134,767.80 and 37,227.60 is: 55,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,812.80 : 134,767.80 = 37,227.60 : x
  2. Step 2: Convert to fraction form
    89,812.80/134,767.80 = 37,227.60/x
  3. Step 3: Cross multiply
    89,812.80x = 134,767.80 × 37,227.60
  4. Step 4: Simplify right side
    89,812.80x = 5,017,081,751.28
  5. Step 5: Solve for x
    x = 5,017,081,751.28/89,812.80
  6. Step 6: Final answer
    x = 55,861.54

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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.