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Finding the Fourth Proportional to 168,376.32, 232,360.56 and 91,895.94

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Solution

The fourth proportional to 168,376.32, 232,360.56 and 91,895.94 is: 126,817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,376.32 : 232,360.56 = 91,895.94 : x
  2. Step 2: Convert to fraction form
    168,376.32/232,360.56 = 91,895.94/x
  3. Step 3: Cross multiply
    168,376.32x = 232,360.56 × 91,895.94
  4. Step 4: Simplify right side
    168,376.32x = 21,352,992,080.13
  5. Step 5: Solve for x
    x = 21,352,992,080.13/168,376.32
  6. Step 6: Final answer
    x = 126,817.07

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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.