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Finding the Fourth Proportional to 168,588.74, 232,643.13 and 96,969.97

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Solution

The fourth proportional to 168,588.74, 232,643.13 and 96,969.97 is: 133,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,588.74 : 232,643.13 = 96,969.97 : x
  2. Step 2: Convert to fraction form
    168,588.74/232,643.13 = 96,969.97/x
  3. Step 3: Cross multiply
    168,588.74x = 232,643.13 × 96,969.97
  4. Step 4: Simplify right side
    168,588.74x = 22,559,396,173.59
  5. Step 5: Solve for x
    x = 22,559,396,173.59/168,588.74
  6. Step 6: Final answer
    x = 133,813.18

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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.