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Finding the Fourth Proportional to 202,427.96, 303,642.30 and 62,185.64

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Solution

The fourth proportional to 202,427.96, 303,642.30 and 62,185.64 is: 93,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,427.96 : 303,642.30 = 62,185.64 : x
  2. Step 2: Convert to fraction form
    202,427.96/303,642.30 = 62,185.64/x
  3. Step 3: Cross multiply
    202,427.96x = 303,642.30 × 62,185.64
  4. Step 4: Simplify right side
    202,427.96x = 18,882,190,756.57
  5. Step 5: Solve for x
    x = 18,882,190,756.57/202,427.96
  6. Step 6: Final answer
    x = 93,278.57

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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.