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Finding the Fourth Proportional to 201,280.60, 277,777.92 and 120,711.52

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Solution

The fourth proportional to 201,280.60, 277,777.92 and 120,711.52 is: 166,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,280.60 : 277,777.92 = 120,711.52 : x
  2. Step 2: Convert to fraction form
    201,280.60/277,777.92 = 120,711.52/x
  3. Step 3: Cross multiply
    201,280.60x = 277,777.92 × 120,711.52
  4. Step 4: Simplify right side
    201,280.60x = 33,530,994,945.64
  5. Step 5: Solve for x
    x = 33,530,994,945.64/201,280.60
  6. Step 6: Final answer
    x = 166,588.31

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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.