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Finding the Fourth Proportional to 173,223.64, 259,789.56 and 68,043.52

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Solution

The fourth proportional to 173,223.64, 259,789.56 and 68,043.52 is: 102,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,223.64 : 259,789.56 = 68,043.52 : x
  2. Step 2: Convert to fraction form
    173,223.64/259,789.56 = 68,043.52/x
  3. Step 3: Cross multiply
    173,223.64x = 259,789.56 × 68,043.52
  4. Step 4: Simplify right side
    173,223.64x = 17,676,996,121.65
  5. Step 5: Solve for x
    x = 17,676,996,121.65/173,223.64
  6. Step 6: Final answer
    x = 102,047.25

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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.