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Finding the Fourth Proportional to 262,691.91, 393,966.06 and 94,180.92

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Solution

The fourth proportional to 262,691.91, 393,966.06 and 94,180.92 is: 141,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,691.91 : 393,966.06 = 94,180.92 : x
  2. Step 2: Convert to fraction form
    262,691.91/393,966.06 = 94,180.92/x
  3. Step 3: Cross multiply
    262,691.91x = 393,966.06 × 94,180.92
  4. Step 4: Simplify right side
    262,691.91x = 37,104,085,979.58
  5. Step 5: Solve for x
    x = 37,104,085,979.58/262,691.91
  6. Step 6: Final answer
    x = 141,245.64

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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.