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Finding the Fourth Proportional to 96,388.80, 135,220.80 and 96,388.80

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Solution

The fourth proportional to 96,388.80, 135,220.80 and 96,388.80 is: 135,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,388.80 : 135,220.80 = 96,388.80 : x
  2. Step 2: Convert to fraction form
    96,388.80/135,220.80 = 96,388.80/x
  3. Step 3: Cross multiply
    96,388.80x = 135,220.80 × 96,388.80
  4. Step 4: Simplify right side
    96,388.80x = 13,033,770,647.04
  5. Step 5: Solve for x
    x = 13,033,770,647.04/96,388.80
  6. Step 6: Final answer
    x = 135,220.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.