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Finding the Fourth Proportional to 96,843.80, 144,876.90 and 83,840.60

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Solution

The fourth proportional to 96,843.80, 144,876.90 and 83,840.60 is: 125,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,843.80 : 144,876.90 = 83,840.60 : x
  2. Step 2: Convert to fraction form
    96,843.80/144,876.90 = 83,840.60/x
  3. Step 3: Cross multiply
    96,843.80x = 144,876.90 × 83,840.60
  4. Step 4: Simplify right side
    96,843.80x = 12,146,566,222.14
  5. Step 5: Solve for x
    x = 12,146,566,222.14/96,843.80
  6. Step 6: Final answer
    x = 125,424.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.