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Finding the Fourth Proportional to 96,611.64, 133,262.70 and 69,793.56

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Solution

The fourth proportional to 96,611.64, 133,262.70 and 69,793.56 is: 96,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,611.64 : 133,262.70 = 69,793.56 : x
  2. Step 2: Convert to fraction form
    96,611.64/133,262.70 = 69,793.56/x
  3. Step 3: Cross multiply
    96,611.64x = 133,262.70 × 69,793.56
  4. Step 4: Simplify right side
    96,611.64x = 9,300,878,248.21
  5. Step 5: Solve for x
    x = 9,300,878,248.21/96,611.64
  6. Step 6: Final answer
    x = 96,270.78

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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.