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Finding the Fourth Proportional to 104,550.16, 156,745.88 and 53,894.59

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Solution

The fourth proportional to 104,550.16, 156,745.88 and 53,894.59 is: 80,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,550.16 : 156,745.88 = 53,894.59 : x
  2. Step 2: Convert to fraction form
    104,550.16/156,745.88 = 53,894.59/x
  3. Step 3: Cross multiply
    104,550.16x = 156,745.88 × 53,894.59
  4. Step 4: Simplify right side
    104,550.16x = 8,447,754,880.51
  5. Step 5: Solve for x
    x = 8,447,754,880.51/104,550.16
  6. Step 6: Final answer
    x = 80,800.97

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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.