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Finding the Fourth Proportional to 202,226.10, 303,339.15 and 187,019.70

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Solution

The fourth proportional to 202,226.10, 303,339.15 and 187,019.70 is: 280,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,226.10 : 303,339.15 = 187,019.70 : x
  2. Step 2: Convert to fraction form
    202,226.10/303,339.15 = 187,019.70/x
  3. Step 3: Cross multiply
    202,226.10x = 303,339.15 × 187,019.70
  4. Step 4: Simplify right side
    202,226.10x = 56,730,396,831.26
  5. Step 5: Solve for x
    x = 56,730,396,831.26/202,226.10
  6. Step 6: Final answer
    x = 280,529.55

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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.