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Finding the Fourth Proportional to 159,260.00, 219,787.88 and 91,288.28

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Solution

The fourth proportional to 159,260.00, 219,787.88 and 91,288.28 is: 125,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,260.00 : 219,787.88 = 91,288.28 : x
  2. Step 2: Convert to fraction form
    159,260.00/219,787.88 = 91,288.28/x
  3. Step 3: Cross multiply
    159,260.00x = 219,787.88 × 91,288.28
  4. Step 4: Simplify right side
    159,260.00x = 20,064,057,623.07
  5. Step 5: Solve for x
    x = 20,064,057,623.07/159,260.00
  6. Step 6: Final answer
    x = 125,983.04

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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.