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Finding the Fourth Proportional to 192,653.78, 265,851.52 and 107,754.44

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Solution

The fourth proportional to 192,653.78, 265,851.52 and 107,754.44 is: 148,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,653.78 : 265,851.52 = 107,754.44 : x
  2. Step 2: Convert to fraction form
    192,653.78/265,851.52 = 107,754.44/x
  3. Step 3: Cross multiply
    192,653.78x = 265,851.52 × 107,754.44
  4. Step 4: Simplify right side
    192,653.78x = 28,646,680,062.11
  5. Step 5: Solve for x
    x = 28,646,680,062.11/192,653.78
  6. Step 6: Final answer
    x = 148,695.14

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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.