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Finding the Fourth Proportional to 202,216.15, 303,324.23 and 69,064.30

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Solution

The fourth proportional to 202,216.15, 303,324.23 and 69,064.30 is: 103,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,216.15 : 303,324.23 = 69,064.30 : x
  2. Step 2: Convert to fraction form
    202,216.15/303,324.23 = 69,064.30/x
  3. Step 3: Cross multiply
    202,216.15x = 303,324.23 × 69,064.30
  4. Step 4: Simplify right side
    202,216.15x = 20,948,875,617.99
  5. Step 5: Solve for x
    x = 20,948,875,617.99/202,216.15
  6. Step 6: Final answer
    x = 103,596.45

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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.