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Finding the Fourth Proportional to 202,218.02, 303,327 and 69,099.42

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Solution

The fourth proportional to 202,218.02, 303,327 and 69,099.42 is: 103,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,218.02 : 303,327 = 69,099.42 : x
  2. Step 2: Convert to fraction form
    202,218.02/303,327 = 69,099.42/x
  3. Step 3: Cross multiply
    202,218.02x = 303,327 × 69,099.42
  4. Step 4: Simplify right side
    202,218.02x = 20,959,719,770.34
  5. Step 5: Solve for x
    x = 20,959,719,770.34/202,218.02
  6. Step 6: Final answer
    x = 103,649.12

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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.