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Finding the Fourth Proportional to 201,361.40, 277,879.78 and 110,723.20

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Solution

The fourth proportional to 201,361.40, 277,879.78 and 110,723.20 is: 152,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,361.40 : 277,879.78 = 110,723.20 : x
  2. Step 2: Convert to fraction form
    201,361.40/277,879.78 = 110,723.20/x
  3. Step 3: Cross multiply
    201,361.40x = 277,879.78 × 110,723.20
  4. Step 4: Simplify right side
    201,361.40x = 30,767,738,456.90
  5. Step 5: Solve for x
    x = 30,767,738,456.90/201,361.40
  6. Step 6: Final answer
    x = 152,798.59

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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.