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Finding the Fourth Proportional to 192,091.77, 265,101.66 and 107,221.59

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Solution

The fourth proportional to 192,091.77, 265,101.66 and 107,221.59 is: 147,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,091.77 : 265,101.66 = 107,221.59 : x
  2. Step 2: Convert to fraction form
    192,091.77/265,101.66 = 107,221.59/x
  3. Step 3: Cross multiply
    192,091.77x = 265,101.66 × 107,221.59
  4. Step 4: Simplify right side
    192,091.77x = 28,424,621,496.84
  5. Step 5: Solve for x
    x = 28,424,621,496.84/192,091.77
  6. Step 6: Final answer
    x = 147,974.18

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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.