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Finding the Fourth Proportional to 96,645.42, 133,472.07 and 66,508.56

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Solution

The fourth proportional to 96,645.42, 133,472.07 and 66,508.56 is: 91,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,645.42 : 133,472.07 = 66,508.56 : x
  2. Step 2: Convert to fraction form
    96,645.42/133,472.07 = 66,508.56/x
  3. Step 3: Cross multiply
    96,645.42x = 133,472.07 × 66,508.56
  4. Step 4: Simplify right side
    96,645.42x = 8,877,035,175.92
  5. Step 5: Solve for x
    x = 8,877,035,175.92/96,645.42
  6. Step 6: Final answer
    x = 91,851.59

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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.