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Finding the Fourth Proportional to 133,859.88, 184,726.70 and 74,243.88

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Solution

The fourth proportional to 133,859.88, 184,726.70 and 74,243.88 is: 102,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,859.88 : 184,726.70 = 74,243.88 : x
  2. Step 2: Convert to fraction form
    133,859.88/184,726.70 = 74,243.88/x
  3. Step 3: Cross multiply
    133,859.88x = 184,726.70 × 74,243.88
  4. Step 4: Simplify right side
    133,859.88x = 13,714,826,947.60
  5. Step 5: Solve for x
    x = 13,714,826,947.60/133,859.88
  6. Step 6: Final answer
    x = 102,456.59

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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.