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Finding the Fourth Proportional to 202,227.12, 303,384.96 and 61,996.68

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Solution

The fourth proportional to 202,227.12, 303,384.96 and 61,996.68 is: 93,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,227.12 : 303,384.96 = 61,996.68 : x
  2. Step 2: Convert to fraction form
    202,227.12/303,384.96 = 61,996.68/x
  3. Step 3: Cross multiply
    202,227.12x = 303,384.96 × 61,996.68
  4. Step 4: Simplify right side
    202,227.12x = 18,808,860,281.93
  5. Step 5: Solve for x
    x = 18,808,860,281.93/202,227.12
  6. Step 6: Final answer
    x = 93,008.59

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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.