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Finding the Fourth Proportional to 202,315.80, 303,473.70 and 69,184.20

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Solution

The fourth proportional to 202,315.80, 303,473.70 and 69,184.20 is: 103,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,315.80 : 303,473.70 = 69,184.20 : x
  2. Step 2: Convert to fraction form
    202,315.80/303,473.70 = 69,184.20/x
  3. Step 3: Cross multiply
    202,315.80x = 303,473.70 × 69,184.20
  4. Step 4: Simplify right side
    202,315.80x = 20,995,585,155.54
  5. Step 5: Solve for x
    x = 20,995,585,155.54/202,315.80
  6. Step 6: Final answer
    x = 103,776.30

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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.