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Finding the Fourth Proportional to 160,620.03, 221,661.36 and 96,945.39

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Solution

The fourth proportional to 160,620.03, 221,661.36 and 96,945.39 is: 133,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,620.03 : 221,661.36 = 96,945.39 : x
  2. Step 2: Convert to fraction form
    160,620.03/221,661.36 = 96,945.39/x
  3. Step 3: Cross multiply
    160,620.03x = 221,661.36 × 96,945.39
  4. Step 4: Simplify right side
    160,620.03x = 21,489,046,993.13
  5. Step 5: Solve for x
    x = 21,489,046,993.13/160,620.03
  6. Step 6: Final answer
    x = 133,788.09

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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.