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Finding the Fourth Proportional to 96,825.98, 133,745.99 and 74,440.22

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Solution

The fourth proportional to 96,825.98, 133,745.99 and 74,440.22 is: 102,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,825.98 : 133,745.99 = 74,440.22 : x
  2. Step 2: Convert to fraction form
    96,825.98/133,745.99 = 74,440.22/x
  3. Step 3: Cross multiply
    96,825.98x = 133,745.99 × 74,440.22
  4. Step 4: Simplify right side
    96,825.98x = 9,956,079,878.79
  5. Step 5: Solve for x
    x = 9,956,079,878.79/96,825.98
  6. Step 6: Final answer
    x = 102,824.47

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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.