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Finding the Fourth Proportional to 73,458.36, 101,372.98 and 43,245

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Solution

The fourth proportional to 73,458.36, 101,372.98 and 43,245 is: 59,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,458.36 : 101,372.98 = 43,245 : x
  2. Step 2: Convert to fraction form
    73,458.36/101,372.98 = 43,245/x
  3. Step 3: Cross multiply
    73,458.36x = 101,372.98 × 43,245
  4. Step 4: Simplify right side
    73,458.36x = 4,383,874,520.10
  5. Step 5: Solve for x
    x = 4,383,874,520.10/73,458.36
  6. Step 6: Final answer
    x = 59,678.36

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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.