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Finding the Fourth Proportional to 202,012.92, 303,019.29 and 77,353.92

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Solution

The fourth proportional to 202,012.92, 303,019.29 and 77,353.92 is: 116,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,012.92 : 303,019.29 = 77,353.92 : x
  2. Step 2: Convert to fraction form
    202,012.92/303,019.29 = 77,353.92/x
  3. Step 3: Cross multiply
    202,012.92x = 303,019.29 × 77,353.92
  4. Step 4: Simplify right side
    202,012.92x = 23,439,729,917.12
  5. Step 5: Solve for x
    x = 23,439,729,917.12/202,012.92
  6. Step 6: Final answer
    x = 116,030.85

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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.