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Finding the Fourth Proportional to 311,908.12, 467,751.78 and 101,506.84

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Solution

The fourth proportional to 311,908.12, 467,751.78 and 101,506.84 is: 152,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,908.12 : 467,751.78 = 101,506.84 : x
  2. Step 2: Convert to fraction form
    311,908.12/467,751.78 = 101,506.84/x
  3. Step 3: Cross multiply
    311,908.12x = 467,751.78 × 101,506.84
  4. Step 4: Simplify right side
    311,908.12x = 47,480,005,092.18
  5. Step 5: Solve for x
    x = 47,480,005,092.18/311,908.12
  6. Step 6: Final answer
    x = 152,224.33

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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.