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Finding the Fourth Proportional to 272,568, 376,147.40 and 150,074.63

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Solution

The fourth proportional to 272,568, 376,147.40 and 150,074.63 is: 207,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,568 : 376,147.40 = 150,074.63 : x
  2. Step 2: Convert to fraction form
    272,568/376,147.40 = 150,074.63/x
  3. Step 3: Cross multiply
    272,568x = 376,147.40 × 150,074.63
  4. Step 4: Simplify right side
    272,568x = 56,450,180,374.91
  5. Step 5: Solve for x
    x = 56,450,180,374.91/272,568
  6. Step 6: Final answer
    x = 207,104.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.