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Finding the Fourth Proportional to 192,622.78, 265,815.03 and 107,747.74

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Solution

The fourth proportional to 192,622.78, 265,815.03 and 107,747.74 is: 148,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,622.78 : 265,815.03 = 107,747.74 : x
  2. Step 2: Convert to fraction form
    192,622.78/265,815.03 = 107,747.74/x
  3. Step 3: Cross multiply
    192,622.78x = 265,815.03 × 107,747.74
  4. Step 4: Simplify right side
    192,622.78x = 28,640,968,740.53
  5. Step 5: Solve for x
    x = 28,640,968,740.53/192,622.78
  6. Step 6: Final answer
    x = 148,689.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.