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Finding the Fourth Proportional to 202,323.40, 303,521.55 and 84,006.70

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Solution

The fourth proportional to 202,323.40, 303,521.55 and 84,006.70 is: 126,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.40 : 303,521.55 = 84,006.70 : x
  2. Step 2: Convert to fraction form
    202,323.40/303,521.55 = 84,006.70/x
  3. Step 3: Cross multiply
    202,323.40x = 303,521.55 × 84,006.70
  4. Step 4: Simplify right side
    202,323.40x = 25,497,843,794.39
  5. Step 5: Solve for x
    x = 25,497,843,794.39/202,323.40
  6. Step 6: Final answer
    x = 126,025.18

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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.