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Finding the Fourth Proportional to 168,888.25, 232,671.27 and 117,809.92

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Solution

The fourth proportional to 168,888.25, 232,671.27 and 117,809.92 is: 162,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,888.25 : 232,671.27 = 117,809.92 : x
  2. Step 2: Convert to fraction form
    168,888.25/232,671.27 = 117,809.92/x
  3. Step 3: Cross multiply
    168,888.25x = 232,671.27 × 117,809.92
  4. Step 4: Simplify right side
    168,888.25x = 27,410,983,705.00
  5. Step 5: Solve for x
    x = 27,410,983,705.00/168,888.25
  6. Step 6: Final answer
    x = 162,302.49

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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.