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Finding the Fourth Proportional to 202,861.20, 304,320.60 and 62,605.20

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Solution

The fourth proportional to 202,861.20, 304,320.60 and 62,605.20 is: 93,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,861.20 : 304,320.60 = 62,605.20 : x
  2. Step 2: Convert to fraction form
    202,861.20/304,320.60 = 62,605.20/x
  3. Step 3: Cross multiply
    202,861.20x = 304,320.60 × 62,605.20
  4. Step 4: Simplify right side
    202,861.20x = 19,052,052,027.12
  5. Step 5: Solve for x
    x = 19,052,052,027.12/202,861.20
  6. Step 6: Final answer
    x = 93,916.69

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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.