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Finding the Fourth Proportional to 192,952.80, 289,040.40 and 109,749.60

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Solution

The fourth proportional to 192,952.80, 289,040.40 and 109,749.60 is: 164,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,952.80 : 289,040.40 = 109,749.60 : x
  2. Step 2: Convert to fraction form
    192,952.80/289,040.40 = 109,749.60/x
  3. Step 3: Cross multiply
    192,952.80x = 289,040.40 × 109,749.60
  4. Step 4: Simplify right side
    192,952.80x = 31,722,068,283.84
  5. Step 5: Solve for x
    x = 31,722,068,283.84/192,952.80
  6. Step 6: Final answer
    x = 164,403.25

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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.