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Finding the Fourth Proportional to 202,230.70, 303,360.45 and 61,989.10

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Solution

The fourth proportional to 202,230.70, 303,360.45 and 61,989.10 is: 92,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,230.70 : 303,360.45 = 61,989.10 : x
  2. Step 2: Convert to fraction form
    202,230.70/303,360.45 = 61,989.10/x
  3. Step 3: Cross multiply
    202,230.70x = 303,360.45 × 61,989.10
  4. Step 4: Simplify right side
    202,230.70x = 18,805,041,271.10
  5. Step 5: Solve for x
    x = 18,805,041,271.10/202,230.70
  6. Step 6: Final answer
    x = 92,988.06

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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.