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Finding the Fourth Proportional to 207,395.94, 311,260.01 and 95,129.04

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Solution

The fourth proportional to 207,395.94, 311,260.01 and 95,129.04 is: 142,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,395.94 : 311,260.01 = 95,129.04 : x
  2. Step 2: Convert to fraction form
    207,395.94/311,260.01 = 95,129.04/x
  3. Step 3: Cross multiply
    207,395.94x = 311,260.01 × 95,129.04
  4. Step 4: Simplify right side
    207,395.94x = 29,609,865,466.05
  5. Step 5: Solve for x
    x = 29,609,865,466.05/207,395.94
  6. Step 6: Final answer
    x = 142,769.74

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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.