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Finding the Fourth Proportional to 277,687.12, 416,444.57 and 100,171.07

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Solution

The fourth proportional to 277,687.12, 416,444.57 and 100,171.07 is: 150,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,687.12 : 416,444.57 = 100,171.07 : x
  2. Step 2: Convert to fraction form
    277,687.12/416,444.57 = 100,171.07/x
  3. Step 3: Cross multiply
    277,687.12x = 416,444.57 × 100,171.07
  4. Step 4: Simplify right side
    277,687.12x = 41,715,698,172.59
  5. Step 5: Solve for x
    x = 41,715,698,172.59/277,687.12
  6. Step 6: Final answer
    x = 150,225.54

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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.