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Finding the Fourth Proportional to 115,524.92, 173,311.68 and 65,628.11

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Solution

The fourth proportional to 115,524.92, 173,311.68 and 65,628.11 is: 98,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,524.92 : 173,311.68 = 65,628.11 : x
  2. Step 2: Convert to fraction form
    115,524.92/173,311.68 = 65,628.11/x
  3. Step 3: Cross multiply
    115,524.92x = 173,311.68 × 65,628.11
  4. Step 4: Simplify right side
    115,524.92x = 11,374,118,678.71
  5. Step 5: Solve for x
    x = 11,374,118,678.71/115,524.92
  6. Step 6: Final answer
    x = 98,455.97

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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.