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Finding the Fourth Proportional to 202,242.20, 303,363.30 and 123,510.20

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Solution

The fourth proportional to 202,242.20, 303,363.30 and 123,510.20 is: 185,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,242.20 : 303,363.30 = 123,510.20 : x
  2. Step 2: Convert to fraction form
    202,242.20/303,363.30 = 123,510.20/x
  3. Step 3: Cross multiply
    202,242.20x = 303,363.30 × 123,510.20
  4. Step 4: Simplify right side
    202,242.20x = 37,468,461,855.66
  5. Step 5: Solve for x
    x = 37,468,461,855.66/202,242.20
  6. Step 6: Final answer
    x = 185,265.30

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1.5x scale

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.