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Finding the Fourth Proportional to 133,873.50, 184,754.07 and 74,257.50

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Solution

The fourth proportional to 133,873.50, 184,754.07 and 74,257.50 is: 102,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,873.50 : 184,754.07 = 74,257.50 : x
  2. Step 2: Convert to fraction form
    133,873.50/184,754.07 = 74,257.50/x
  3. Step 3: Cross multiply
    133,873.50x = 184,754.07 × 74,257.50
  4. Step 4: Simplify right side
    133,873.50x = 13,719,375,353.03
  5. Step 5: Solve for x
    x = 13,719,375,353.03/133,873.50
  6. Step 6: Final answer
    x = 102,480.14

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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.