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Finding the Fourth Proportional to 202,395.90, 303,350.85 and 84,006.30

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Solution

The fourth proportional to 202,395.90, 303,350.85 and 84,006.30 is: 125,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,395.90 : 303,350.85 = 84,006.30 : x
  2. Step 2: Convert to fraction form
    202,395.90/303,350.85 = 84,006.30/x
  3. Step 3: Cross multiply
    202,395.90x = 303,350.85 × 84,006.30
  4. Step 4: Simplify right side
    202,395.90x = 25,483,382,510.36
  5. Step 5: Solve for x
    x = 25,483,382,510.36/202,395.90
  6. Step 6: Final answer
    x = 125,908.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.