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Finding the Fourth Proportional to 133,836.88, 184,694.88 and 74,220.88

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Solution

The fourth proportional to 133,836.88, 184,694.88 and 74,220.88 is: 102,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,836.88 : 184,694.88 = 74,220.88 : x
  2. Step 2: Convert to fraction form
    133,836.88/184,694.88 = 74,220.88/x
  3. Step 3: Cross multiply
    133,836.88x = 184,694.88 × 74,220.88
  4. Step 4: Simplify right side
    133,836.88x = 13,708,216,525.09
  5. Step 5: Solve for x
    x = 13,708,216,525.09/133,836.88
  6. Step 6: Final answer
    x = 102,424.81

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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.