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Finding the Fourth Proportional to 127,662.41, 176,147.42 and 73,944.23

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Solution

The fourth proportional to 127,662.41, 176,147.42 and 73,944.23 is: 102,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,662.41 : 176,147.42 = 73,944.23 : x
  2. Step 2: Convert to fraction form
    127,662.41/176,147.42 = 73,944.23/x
  3. Step 3: Cross multiply
    127,662.41x = 176,147.42 × 73,944.23
  4. Step 4: Simplify right side
    127,662.41x = 13,025,084,087.93
  5. Step 5: Solve for x
    x = 13,025,084,087.93/127,662.41
  6. Step 6: Final answer
    x = 102,027.56

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1.5x scale

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.