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Finding the Fourth Proportional to 163,755.09, 245,621.57 and 63,896.67

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Solution

The fourth proportional to 163,755.09, 245,621.57 and 63,896.67 is: 95,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,755.09 : 245,621.57 = 63,896.67 : x
  2. Step 2: Convert to fraction form
    163,755.09/245,621.57 = 63,896.67/x
  3. Step 3: Cross multiply
    163,755.09x = 245,621.57 × 63,896.67
  4. Step 4: Simplify right side
    163,755.09x = 15,694,400,083.69
  5. Step 5: Solve for x
    x = 15,694,400,083.69/163,755.09
  6. Step 6: Final answer
    x = 95,840.69

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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.