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Finding the Fourth Proportional to 192,016.40, 287,781.60 and 73,529.60

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Solution

The fourth proportional to 192,016.40, 287,781.60 and 73,529.60 is: 110,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,016.40 : 287,781.60 = 73,529.60 : x
  2. Step 2: Convert to fraction form
    192,016.40/287,781.60 = 73,529.60/x
  3. Step 3: Cross multiply
    192,016.40x = 287,781.60 × 73,529.60
  4. Step 4: Simplify right side
    192,016.40x = 21,160,465,935.36
  5. Step 5: Solve for x
    x = 21,160,465,935.36/192,016.40
  6. Step 6: Final answer
    x = 110,201.35

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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.