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Finding the Fourth Proportional to 168,863.94, 253,128.24 and 94,018.32

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Solution

The fourth proportional to 168,863.94, 253,128.24 and 94,018.32 is: 140,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,863.94 : 253,128.24 = 94,018.32 : x
  2. Step 2: Convert to fraction form
    168,863.94/253,128.24 = 94,018.32/x
  3. Step 3: Cross multiply
    168,863.94x = 253,128.24 × 94,018.32
  4. Step 4: Simplify right side
    168,863.94x = 23,798,691,869.36
  5. Step 5: Solve for x
    x = 23,798,691,869.36/168,863.94
  6. Step 6: Final answer
    x = 140,934.13

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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.