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Finding the Fourth Proportional to 201,029.01, 277,400.93 and 120,441.57

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Solution

The fourth proportional to 201,029.01, 277,400.93 and 120,441.57 is: 166,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,029.01 : 277,400.93 = 120,441.57 : x
  2. Step 2: Convert to fraction form
    201,029.01/277,400.93 = 120,441.57/x
  3. Step 3: Cross multiply
    201,029.01x = 277,400.93 × 120,441.57
  4. Step 4: Simplify right side
    201,029.01x = 33,410,603,528.66
  5. Step 5: Solve for x
    x = 33,410,603,528.66/201,029.01
  6. Step 6: Final answer
    x = 166,197.92

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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.