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Finding the Fourth Proportional to 168,411.60, 232,286.40 and 114,601.68

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Solution

The fourth proportional to 168,411.60, 232,286.40 and 114,601.68 is: 158,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,411.60 : 232,286.40 = 114,601.68 : x
  2. Step 2: Convert to fraction form
    168,411.60/232,286.40 = 114,601.68/x
  3. Step 3: Cross multiply
    168,411.60x = 232,286.40 × 114,601.68
  4. Step 4: Simplify right side
    168,411.60x = 26,620,411,681.15
  5. Step 5: Solve for x
    x = 26,620,411,681.15/168,411.60
  6. Step 6: Final answer
    x = 158,067.57

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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.