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Finding the Fourth Proportional to 202,007.46, 302,944.50 and 67,040.40

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Solution

The fourth proportional to 202,007.46, 302,944.50 and 67,040.40 is: 100,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,007.46 : 302,944.50 = 67,040.40 : x
  2. Step 2: Convert to fraction form
    202,007.46/302,944.50 = 67,040.40/x
  3. Step 3: Cross multiply
    202,007.46x = 302,944.50 × 67,040.40
  4. Step 4: Simplify right side
    202,007.46x = 20,309,520,457.80
  5. Step 5: Solve for x
    x = 20,309,520,457.80/202,007.46
  6. Step 6: Final answer
    x = 100,538.47

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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.