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Finding the Fourth Proportional to 202,421.60, 303,579.30 and 60,228.62

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Solution

The fourth proportional to 202,421.60, 303,579.30 and 60,228.62 is: 90,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,421.60 : 303,579.30 = 60,228.62 : x
  2. Step 2: Convert to fraction form
    202,421.60/303,579.30 = 60,228.62/x
  3. Step 3: Cross multiply
    202,421.60x = 303,579.30 × 60,228.62
  4. Step 4: Simplify right side
    202,421.60x = 18,284,162,299.57
  5. Step 5: Solve for x
    x = 18,284,162,299.57/202,421.60
  6. Step 6: Final answer
    x = 90,327.13

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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.