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Finding the Fourth Proportional to 153,793.98, 212,369.22 and 96,532.56

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Solution

The fourth proportional to 153,793.98, 212,369.22 and 96,532.56 is: 133,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,793.98 : 212,369.22 = 96,532.56 : x
  2. Step 2: Convert to fraction form
    153,793.98/212,369.22 = 96,532.56/x
  3. Step 3: Cross multiply
    153,793.98x = 212,369.22 × 96,532.56
  4. Step 4: Simplify right side
    153,793.98x = 20,500,544,471.80
  5. Step 5: Solve for x
    x = 20,500,544,471.80/153,793.98
  6. Step 6: Final answer
    x = 133,298.74

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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.