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Finding the Fourth Proportional to 96,778.62, 133,531.02 and 56,469.33

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Solution

The fourth proportional to 96,778.62, 133,531.02 and 56,469.33 is: 77,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,778.62 : 133,531.02 = 56,469.33 : x
  2. Step 2: Convert to fraction form
    96,778.62/133,531.02 = 56,469.33/x
  3. Step 3: Cross multiply
    96,778.62x = 133,531.02 × 56,469.33
  4. Step 4: Simplify right side
    96,778.62x = 7,540,407,233.62
  5. Step 5: Solve for x
    x = 7,540,407,233.62/96,778.62
  6. Step 6: Final answer
    x = 77,913.98

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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.