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Finding the Fourth Proportional to 68,983.76, 95,233.86 and 46,441.28

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Solution

The fourth proportional to 68,983.76, 95,233.86 and 46,441.28 is: 64,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,983.76 : 95,233.86 = 46,441.28 : x
  2. Step 2: Convert to fraction form
    68,983.76/95,233.86 = 46,441.28/x
  3. Step 3: Cross multiply
    68,983.76x = 95,233.86 × 46,441.28
  4. Step 4: Simplify right side
    68,983.76x = 4,422,782,357.74
  5. Step 5: Solve for x
    x = 4,422,782,357.74/68,983.76
  6. Step 6: Final answer
    x = 64,113.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.