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Finding the Fourth Proportional to 247,099.88, 371,059.86 and 154,196.12

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Solution

The fourth proportional to 247,099.88, 371,059.86 and 154,196.12 is: 231,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,099.88 : 371,059.86 = 154,196.12 : x
  2. Step 2: Convert to fraction form
    247,099.88/371,059.86 = 154,196.12/x
  3. Step 3: Cross multiply
    247,099.88x = 371,059.86 × 154,196.12
  4. Step 4: Simplify right side
    247,099.88x = 57,215,990,699.74
  5. Step 5: Solve for x
    x = 57,215,990,699.74/247,099.88
  6. Step 6: Final answer
    x = 231,550.05

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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.