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Finding the Fourth Proportional to 164,786.13, 227,241.12 and 124,047.81

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Solution

The fourth proportional to 164,786.13, 227,241.12 and 124,047.81 is: 171,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,786.13 : 227,241.12 = 124,047.81 : x
  2. Step 2: Convert to fraction form
    164,786.13/227,241.12 = 124,047.81/x
  3. Step 3: Cross multiply
    164,786.13x = 227,241.12 × 124,047.81
  4. Step 4: Simplify right side
    164,786.13x = 28,188,763,277.95
  5. Step 5: Solve for x
    x = 28,188,763,277.95/164,786.13
  6. Step 6: Final answer
    x = 171,062.72

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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.