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Finding the Fourth Proportional to 168,267.56, 232,210.72 and 91,787.00

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Solution

The fourth proportional to 168,267.56, 232,210.72 and 91,787.00 is: 126,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,267.56 : 232,210.72 = 91,787.00 : x
  2. Step 2: Convert to fraction form
    168,267.56/232,210.72 = 91,787.00/x
  3. Step 3: Cross multiply
    168,267.56x = 232,210.72 × 91,787.00
  4. Step 4: Simplify right side
    168,267.56x = 21,313,923,966.12
  5. Step 5: Solve for x
    x = 21,313,923,966.12/168,267.56
  6. Step 6: Final answer
    x = 126,666.86

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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.