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Finding the Fourth Proportional to 273,730.88, 410,622.24 and 107,480

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Solution

The fourth proportional to 273,730.88, 410,622.24 and 107,480 is: 161,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,730.88 : 410,622.24 = 107,480 : x
  2. Step 2: Convert to fraction form
    273,730.88/410,622.24 = 107,480/x
  3. Step 3: Cross multiply
    273,730.88x = 410,622.24 × 107,480
  4. Step 4: Simplify right side
    273,730.88x = 44,133,678,355.20
  5. Step 5: Solve for x
    x = 44,133,678,355.20/273,730.88
  6. Step 6: Final answer
    x = 161,230.18

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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.