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Finding the Fourth Proportional to 247,840.65, 371,552.00 and 107,493.57

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Solution

The fourth proportional to 247,840.65, 371,552.00 and 107,493.57 is: 161,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,840.65 : 371,552.00 = 107,493.57 : x
  2. Step 2: Convert to fraction form
    247,840.65/371,552.00 = 107,493.57/x
  3. Step 3: Cross multiply
    247,840.65x = 371,552.00 × 107,493.57
  4. Step 4: Simplify right side
    247,840.65x = 39,939,450,383.17
  5. Step 5: Solve for x
    x = 39,939,450,383.17/247,840.65
  6. Step 6: Final answer
    x = 161,149.72

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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.