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Finding the Fourth Proportional to 64,149.06, 96,223.57 and 28,601.20

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Solution

The fourth proportional to 64,149.06, 96,223.57 and 28,601.20 is: 42,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,149.06 : 96,223.57 = 28,601.20 : x
  2. Step 2: Convert to fraction form
    64,149.06/96,223.57 = 28,601.20/x
  3. Step 3: Cross multiply
    64,149.06x = 96,223.57 × 28,601.20
  4. Step 4: Simplify right side
    64,149.06x = 2,752,109,258.22
  5. Step 5: Solve for x
    x = 2,752,109,258.22/64,149.06
  6. Step 6: Final answer
    x = 42,901.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.