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Finding the Fourth Proportional to 169,896.12, 254,289.56 and 124,905.64

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Solution

The fourth proportional to 169,896.12, 254,289.56 and 124,905.64 is: 186,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,896.12 : 254,289.56 = 124,905.64 : x
  2. Step 2: Convert to fraction form
    169,896.12/254,289.56 = 124,905.64/x
  3. Step 3: Cross multiply
    169,896.12x = 254,289.56 × 124,905.64
  4. Step 4: Simplify right side
    169,896.12x = 31,762,200,237.12
  5. Step 5: Solve for x
    x = 31,762,200,237.12/169,896.12
  6. Step 6: Final answer
    x = 186,950.71

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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.