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Finding the Fourth Proportional to 201,451.89, 277,997.81 and 110,807.85

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Solution

The fourth proportional to 201,451.89, 277,997.81 and 110,807.85 is: 152,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,451.89 : 277,997.81 = 110,807.85 : x
  2. Step 2: Convert to fraction form
    201,451.89/277,997.81 = 110,807.85/x
  3. Step 3: Cross multiply
    201,451.89x = 277,997.81 × 110,807.85
  4. Step 4: Simplify right side
    201,451.89x = 30,804,339,076.77
  5. Step 5: Solve for x
    x = 30,804,339,076.77/201,451.89
  6. Step 6: Final answer
    x = 152,911.64

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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.