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Finding the Fourth Proportional to 173,960.10, 260,940.15 and 90,843.30

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Solution

The fourth proportional to 173,960.10, 260,940.15 and 90,843.30 is: 136,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,960.10 : 260,940.15 = 90,843.30 : x
  2. Step 2: Convert to fraction form
    173,960.10/260,940.15 = 90,843.30/x
  3. Step 3: Cross multiply
    173,960.10x = 260,940.15 × 90,843.30
  4. Step 4: Simplify right side
    173,960.10x = 23,704,664,328.50
  5. Step 5: Solve for x
    x = 23,704,664,328.50/173,960.10
  6. Step 6: Final answer
    x = 136,264.95

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1.5x scale

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.