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Finding the Fourth Proportional to 162,893.75, 224,793.44 and 99,231.55

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Solution

The fourth proportional to 162,893.75, 224,793.44 and 99,231.55 is: 136,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,893.75 : 224,793.44 = 99,231.55 : x
  2. Step 2: Convert to fraction form
    162,893.75/224,793.44 = 99,231.55/x
  3. Step 3: Cross multiply
    162,893.75x = 224,793.44 × 99,231.55
  4. Step 4: Simplify right side
    162,893.75x = 22,306,600,515.92
  5. Step 5: Solve for x
    x = 22,306,600,515.92/162,893.75
  6. Step 6: Final answer
    x = 136,939.57

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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.