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Finding the Fourth Proportional to 96,893.88, 133,630.29 and 62,868.84

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Solution

The fourth proportional to 96,893.88, 133,630.29 and 62,868.84 is: 86,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,893.88 : 133,630.29 = 62,868.84 : x
  2. Step 2: Convert to fraction form
    96,893.88/133,630.29 = 62,868.84/x
  3. Step 3: Cross multiply
    96,893.88x = 133,630.29 × 62,868.84
  4. Step 4: Simplify right side
    96,893.88x = 8,401,181,321.16
  5. Step 5: Solve for x
    x = 8,401,181,321.16/96,893.88
  6. Step 6: Final answer
    x = 86,704.97

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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.