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Finding the Fourth Proportional to 173,252.25, 259,982.06 and 74,756.25

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Solution

The fourth proportional to 173,252.25, 259,982.06 and 74,756.25 is: 112,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,252.25 : 259,982.06 = 74,756.25 : x
  2. Step 2: Convert to fraction form
    173,252.25/259,982.06 = 74,756.25/x
  3. Step 3: Cross multiply
    173,252.25x = 259,982.06 × 74,756.25
  4. Step 4: Simplify right side
    173,252.25x = 19,435,283,499.09
  5. Step 5: Solve for x
    x = 19,435,283,499.09/173,252.25
  6. Step 6: Final answer
    x = 112,179.11

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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.