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Finding the Fourth Proportional to 96,203.78, 143,601.18 and 84,841.18

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Solution

The fourth proportional to 96,203.78, 143,601.18 and 84,841.18 is: 126,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,203.78 : 143,601.18 = 84,841.18 : x
  2. Step 2: Convert to fraction form
    96,203.78/143,601.18 = 84,841.18/x
  3. Step 3: Cross multiply
    96,203.78x = 143,601.18 × 84,841.18
  4. Step 4: Simplify right side
    96,203.78x = 12,183,293,560.59
  5. Step 5: Solve for x
    x = 12,183,293,560.59/96,203.78
  6. Step 6: Final answer
    x = 126,640.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.