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Finding the Fourth Proportional to 127,662.75, 176,174.73 and 73,950.84

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Solution

The fourth proportional to 127,662.75, 176,174.73 and 73,950.84 is: 102,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,662.75 : 176,174.73 = 73,950.84 : x
  2. Step 2: Convert to fraction form
    127,662.75/176,174.73 = 73,950.84/x
  3. Step 3: Cross multiply
    127,662.75x = 176,174.73 × 73,950.84
  4. Step 4: Simplify right side
    127,662.75x = 13,028,269,270.27
  5. Step 5: Solve for x
    x = 13,028,269,270.27/127,662.75
  6. Step 6: Final answer
    x = 102,052.24

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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.