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Finding the Fourth Proportional to 218,220.08, 327,330.12 and 68,483.48

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Solution

The fourth proportional to 218,220.08, 327,330.12 and 68,483.48 is: 102,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,220.08 : 327,330.12 = 68,483.48 : x
  2. Step 2: Convert to fraction form
    218,220.08/327,330.12 = 68,483.48/x
  3. Step 3: Cross multiply
    218,220.08x = 327,330.12 × 68,483.48
  4. Step 4: Simplify right side
    218,220.08x = 22,416,705,726.42
  5. Step 5: Solve for x
    x = 22,416,705,726.42/218,220.08
  6. Step 6: Final answer
    x = 102,725.22

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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.