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Finding the Fourth Proportional to 247,640.08, 371,461.74 and 60,651.58

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Solution

The fourth proportional to 247,640.08, 371,461.74 and 60,651.58 is: 90,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,640.08 : 371,461.74 = 60,651.58 : x
  2. Step 2: Convert to fraction form
    247,640.08/371,461.74 = 60,651.58/x
  3. Step 3: Cross multiply
    247,640.08x = 371,461.74 × 60,651.58
  4. Step 4: Simplify right side
    247,640.08x = 22,529,741,440.55
  5. Step 5: Solve for x
    x = 22,529,741,440.55/247,640.08
  6. Step 6: Final answer
    x = 90,977.77

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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.