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Finding the Fourth Proportional to 202,500.60, 303,605.10 and 113,781.30

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Solution

The fourth proportional to 202,500.60, 303,605.10 and 113,781.30 is: 170,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,500.60 : 303,605.10 = 113,781.30 : x
  2. Step 2: Convert to fraction form
    202,500.60/303,605.10 = 113,781.30/x
  3. Step 3: Cross multiply
    202,500.60x = 303,605.10 × 113,781.30
  4. Step 4: Simplify right side
    202,500.60x = 34,544,582,964.63
  5. Step 5: Solve for x
    x = 34,544,582,964.63/202,500.60
  6. Step 6: Final answer
    x = 170,590.03

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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.