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Finding the Fourth Proportional to 559,179.39, 838,796.72 and 159,878.91

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Solution

The fourth proportional to 559,179.39, 838,796.72 and 159,878.91 is: 239,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,179.39 : 838,796.72 = 159,878.91 : x
  2. Step 2: Convert to fraction form
    559,179.39/838,796.72 = 159,878.91/x
  3. Step 3: Cross multiply
    559,179.39x = 838,796.72 × 159,878.91
  4. Step 4: Simplify right side
    559,179.39x = 134,105,904,505.78
  5. Step 5: Solve for x
    x = 134,105,904,505.78/559,179.39
  6. Step 6: Final answer
    x = 239,826.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.