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Finding the Fourth Proportional to 60,202.77, 90,303.50 and 18,081.05

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Solution

The fourth proportional to 60,202.77, 90,303.50 and 18,081.05 is: 27,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,202.77 : 90,303.50 = 18,081.05 : x
  2. Step 2: Convert to fraction form
    60,202.77/90,303.50 = 18,081.05/x
  3. Step 3: Cross multiply
    60,202.77x = 90,303.50 × 18,081.05
  4. Step 4: Simplify right side
    60,202.77x = 1,632,782,098.68
  5. Step 5: Solve for x
    x = 1,632,782,098.68/60,202.77
  6. Step 6: Final answer
    x = 27,121.38

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Double scale
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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.