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Finding the Fourth Proportional to 68,444.73, 102,452.01 and 43,512.93

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Solution

The fourth proportional to 68,444.73, 102,452.01 and 43,512.93 is: 65,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,444.73 : 102,452.01 = 43,512.93 : x
  2. Step 2: Convert to fraction form
    68,444.73/102,452.01 = 43,512.93/x
  3. Step 3: Cross multiply
    68,444.73x = 102,452.01 × 43,512.93
  4. Step 4: Simplify right side
    68,444.73x = 4,457,986,976.32
  5. Step 5: Solve for x
    x = 4,457,986,976.32/68,444.73
  6. Step 6: Final answer
    x = 65,132.65

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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.