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Finding the Fourth Proportional to 97,481.72, 146,280.91 and 89,550.20

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Solution

The fourth proportional to 97,481.72, 146,280.91 and 89,550.20 is: 134,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,481.72 : 146,280.91 = 89,550.20 : x
  2. Step 2: Convert to fraction form
    97,481.72/146,280.91 = 89,550.20/x
  3. Step 3: Cross multiply
    97,481.72x = 146,280.91 × 89,550.20
  4. Step 4: Simplify right side
    97,481.72x = 13,099,484,746.68
  5. Step 5: Solve for x
    x = 13,099,484,746.68/97,481.72
  6. Step 6: Final answer
    x = 134,378.88

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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.