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Finding the Fourth Proportional to 173,634.62, 260,470.60 and 55,278.28

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Solution

The fourth proportional to 173,634.62, 260,470.60 and 55,278.28 is: 82,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,634.62 : 260,470.60 = 55,278.28 : x
  2. Step 2: Convert to fraction form
    173,634.62/260,470.60 = 55,278.28/x
  3. Step 3: Cross multiply
    173,634.62x = 260,470.60 × 55,278.28
  4. Step 4: Simplify right side
    173,634.62x = 14,398,366,758.57
  5. Step 5: Solve for x
    x = 14,398,366,758.57/173,634.62
  6. Step 6: Final answer
    x = 82,923.36

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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.