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Finding the Fourth Proportional to 234,796.50, 324,019.17 and 134,196.66

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Solution

The fourth proportional to 234,796.50, 324,019.17 and 134,196.66 is: 185,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,796.50 : 324,019.17 = 134,196.66 : x
  2. Step 2: Convert to fraction form
    234,796.50/324,019.17 = 134,196.66/x
  3. Step 3: Cross multiply
    234,796.50x = 324,019.17 × 134,196.66
  4. Step 4: Simplify right side
    234,796.50x = 43,482,290,389.97
  5. Step 5: Solve for x
    x = 43,482,290,389.97/234,796.50
  6. Step 6: Final answer
    x = 185,191.39

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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.