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Finding the Fourth Proportional to 173,077.60, 259,640.70 and 54,736.60

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Solution

The fourth proportional to 173,077.60, 259,640.70 and 54,736.60 is: 82,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,077.60 : 259,640.70 = 54,736.60 : x
  2. Step 2: Convert to fraction form
    173,077.60/259,640.70 = 54,736.60/x
  3. Step 3: Cross multiply
    173,077.60x = 259,640.70 × 54,736.60
  4. Step 4: Simplify right side
    173,077.60x = 14,211,849,139.62
  5. Step 5: Solve for x
    x = 14,211,849,139.62/173,077.60
  6. Step 6: Final answer
    x = 82,112.58

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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.