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Finding the Fourth Proportional to 159,107.93, 219,576.83 and 98,698.04

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Solution

The fourth proportional to 159,107.93, 219,576.83 and 98,698.04 is: 136,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,107.93 : 219,576.83 = 98,698.04 : x
  2. Step 2: Convert to fraction form
    159,107.93/219,576.83 = 98,698.04/x
  3. Step 3: Cross multiply
    159,107.93x = 219,576.83 × 98,698.04
  4. Step 4: Simplify right side
    159,107.93x = 21,671,801,652.53
  5. Step 5: Solve for x
    x = 21,671,801,652.53/159,107.93
  6. Step 6: Final answer
    x = 136,208.18

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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.