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Finding the Fourth Proportional to 104,297.10, 156,117.60 and 101,016.60

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Solution

The fourth proportional to 104,297.10, 156,117.60 and 101,016.60 is: 151,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,297.10 : 156,117.60 = 101,016.60 : x
  2. Step 2: Convert to fraction form
    104,297.10/156,117.60 = 101,016.60/x
  3. Step 3: Cross multiply
    104,297.10x = 156,117.60 × 101,016.60
  4. Step 4: Simplify right side
    104,297.10x = 15,770,469,152.16
  5. Step 5: Solve for x
    x = 15,770,469,152.16/104,297.10
  6. Step 6: Final answer
    x = 151,207.17

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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.