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Finding the Fourth Proportional to 202,649.38, 303,980.24 and 69,527.76

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Solution

The fourth proportional to 202,649.38, 303,980.24 and 69,527.76 is: 104,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,649.38 : 303,980.24 = 69,527.76 : x
  2. Step 2: Convert to fraction form
    202,649.38/303,980.24 = 69,527.76/x
  3. Step 3: Cross multiply
    202,649.38x = 303,980.24 × 69,527.76
  4. Step 4: Simplify right side
    202,649.38x = 21,135,065,171.46
  5. Step 5: Solve for x
    x = 21,135,065,171.46/202,649.38
  6. Step 6: Final answer
    x = 104,293.76

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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.