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Finding the Fourth Proportional to 202,685.70, 303,925.26 and 67,701.18

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Solution

The fourth proportional to 202,685.70, 303,925.26 and 67,701.18 is: 101,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,685.70 : 303,925.26 = 67,701.18 : x
  2. Step 2: Convert to fraction form
    202,685.70/303,925.26 = 67,701.18/x
  3. Step 3: Cross multiply
    202,685.70x = 303,925.26 × 67,701.18
  4. Step 4: Simplify right side
    202,685.70x = 20,576,098,733.81
  5. Step 5: Solve for x
    x = 20,576,098,733.81/202,685.70
  6. Step 6: Final answer
    x = 101,517.27

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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.