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Finding the Fourth Proportional to 247,767.02, 371,705.91 and 79,297.44

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Solution

The fourth proportional to 247,767.02, 371,705.91 and 79,297.44 is: 118,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,767.02 : 371,705.91 = 79,297.44 : x
  2. Step 2: Convert to fraction form
    247,767.02/371,705.91 = 79,297.44/x
  3. Step 3: Cross multiply
    247,767.02x = 371,705.91 × 79,297.44
  4. Step 4: Simplify right side
    247,767.02x = 29,475,327,095.87
  5. Step 5: Solve for x
    x = 29,475,327,095.87/247,767.02
  6. Step 6: Final answer
    x = 118,963.89

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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.