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Finding the Fourth Proportional to 110,914.92, 153,063.72 and 60,613.92

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Solution

The fourth proportional to 110,914.92, 153,063.72 and 60,613.92 is: 83,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,914.92 : 153,063.72 = 60,613.92 : x
  2. Step 2: Convert to fraction form
    110,914.92/153,063.72 = 60,613.92/x
  3. Step 3: Cross multiply
    110,914.92x = 153,063.72 × 60,613.92
  4. Step 4: Simplify right side
    110,914.92x = 9,277,792,078.98
  5. Step 5: Solve for x
    x = 9,277,792,078.98/110,914.92
  6. Step 6: Final answer
    x = 83,647.83

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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.