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Finding the Fourth Proportional to 175,233.54, 262,872.16 and 68,603.72

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Solution

The fourth proportional to 175,233.54, 262,872.16 and 68,603.72 is: 102,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,233.54 : 262,872.16 = 68,603.72 : x
  2. Step 2: Convert to fraction form
    175,233.54/262,872.16 = 68,603.72/x
  3. Step 3: Cross multiply
    175,233.54x = 262,872.16 × 68,603.72
  4. Step 4: Simplify right side
    175,233.54x = 18,034,008,060.44
  5. Step 5: Solve for x
    x = 18,034,008,060.44/175,233.54
  6. Step 6: Final answer
    x = 102,914.13

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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.