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Finding the Fourth Proportional to 218,216.66, 327,324.96 and 60,445.12

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Solution

The fourth proportional to 218,216.66, 327,324.96 and 60,445.12 is: 90,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,216.66 : 327,324.96 = 60,445.12 : x
  2. Step 2: Convert to fraction form
    218,216.66/327,324.96 = 60,445.12/x
  3. Step 3: Cross multiply
    218,216.66x = 327,324.96 × 60,445.12
  4. Step 4: Simplify right side
    218,216.66x = 19,785,196,486.20
  5. Step 5: Solve for x
    x = 19,785,196,486.20/218,216.66
  6. Step 6: Final answer
    x = 90,667.67

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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.