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Finding the Fourth Proportional to 122,951.44, 169,469.04 and 87,095.44

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Solution

The fourth proportional to 122,951.44, 169,469.04 and 87,095.44 is: 120,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,951.44 : 169,469.04 = 87,095.44 : x
  2. Step 2: Convert to fraction form
    122,951.44/169,469.04 = 87,095.44/x
  3. Step 3: Cross multiply
    122,951.44x = 169,469.04 × 87,095.44
  4. Step 4: Simplify right side
    122,951.44x = 14,759,980,605.18
  5. Step 5: Solve for x
    x = 14,759,980,605.18/122,951.44
  6. Step 6: Final answer
    x = 120,047.24

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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.