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Finding the Fourth Proportional to 101,978.92, 152,795.64 and 62,453.44

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Solution

The fourth proportional to 101,978.92, 152,795.64 and 62,453.44 is: 93,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,978.92 : 152,795.64 = 62,453.44 : x
  2. Step 2: Convert to fraction form
    101,978.92/152,795.64 = 62,453.44/x
  3. Step 3: Cross multiply
    101,978.92x = 152,795.64 × 62,453.44
  4. Step 4: Simplify right side
    101,978.92x = 9,542,613,335.00
  5. Step 5: Solve for x
    x = 9,542,613,335.00/101,978.92
  6. Step 6: Final answer
    x = 93,574.37

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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.