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Finding the Fourth Proportional to 192,717.59, 265,943.60 and 106,680.32

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Solution

The fourth proportional to 192,717.59, 265,943.60 and 106,680.32 is: 147,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,717.59 : 265,943.60 = 106,680.32 : x
  2. Step 2: Convert to fraction form
    192,717.59/265,943.60 = 106,680.32/x
  3. Step 3: Cross multiply
    192,717.59x = 265,943.60 × 106,680.32
  4. Step 4: Simplify right side
    192,717.59x = 28,370,948,349.95
  5. Step 5: Solve for x
    x = 28,370,948,349.95/192,717.59
  6. Step 6: Final answer
    x = 147,215.15

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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.