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Finding the Fourth Proportional to 162,793.75, 224,657.08 and 90,198.87

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Solution

The fourth proportional to 162,793.75, 224,657.08 and 90,198.87 is: 124,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,793.75 : 224,657.08 = 90,198.87 : x
  2. Step 2: Convert to fraction form
    162,793.75/224,657.08 = 90,198.87/x
  3. Step 3: Cross multiply
    162,793.75x = 224,657.08 × 90,198.87
  4. Step 4: Simplify right side
    162,793.75x = 20,263,813,685.54
  5. Step 5: Solve for x
    x = 20,263,813,685.54/162,793.75
  6. Step 6: Final answer
    x = 124,475.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.