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Finding the Fourth Proportional to 202,266,197.70, 303,399,296.55 and 65,951,581.20

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Solution

The fourth proportional to 202,266,197.70, 303,399,296.55 and 65,951,581.20 is: 98,927,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,266,197.70 : 303,399,296.55 = 65,951,581.20 : x
  2. Step 2: Convert to fraction form
    202,266,197.70/303,399,296.55 = 65,951,581.20/x
  3. Step 3: Cross multiply
    202,266,197.70x = 303,399,296.55 × 65,951,581.20
  4. Step 4: Simplify right side
    202,266,197.70x = 20,009,663,342,440,208
  5. Step 5: Solve for x
    x = 20,009,663,342,440,208/202,266,197.70
  6. Step 6: Final answer
    x = 98,927,371.80

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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.