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Finding the Fourth Proportional to 272,702.93, 408,917.52 and 158,887.58

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Solution

The fourth proportional to 272,702.93, 408,917.52 and 158,887.58 is: 238,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,702.93 : 408,917.52 = 158,887.58 : x
  2. Step 2: Convert to fraction form
    272,702.93/408,917.52 = 158,887.58/x
  3. Step 3: Cross multiply
    272,702.93x = 408,917.52 × 158,887.58
  4. Step 4: Simplify right side
    272,702.93x = 64,971,916,194.70
  5. Step 5: Solve for x
    x = 64,971,916,194.70/272,702.93
  6. Step 6: Final answer
    x = 238,251.62

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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.