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Finding the Fourth Proportional to 247,029.44, 371,040.16 and 147,384.06

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Solution

The fourth proportional to 247,029.44, 371,040.16 and 147,384.06 is: 221,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,029.44 : 371,040.16 = 147,384.06 : x
  2. Step 2: Convert to fraction form
    247,029.44/371,040.16 = 147,384.06/x
  3. Step 3: Cross multiply
    247,029.44x = 371,040.16 × 147,384.06
  4. Step 4: Simplify right side
    247,029.44x = 54,685,405,203.85
  5. Step 5: Solve for x
    x = 54,685,405,203.85/247,029.44
  6. Step 6: Final answer
    x = 221,372.02

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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.