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Finding the Fourth Proportional to 236,171.70, 354,326.57 and 76,243.89

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Solution

The fourth proportional to 236,171.70, 354,326.57 and 76,243.89 is: 114,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,171.70 : 354,326.57 = 76,243.89 : x
  2. Step 2: Convert to fraction form
    236,171.70/354,326.57 = 76,243.89/x
  3. Step 3: Cross multiply
    236,171.70x = 354,326.57 × 76,243.89
  4. Step 4: Simplify right side
    236,171.70x = 27,015,236,027.16
  5. Step 5: Solve for x
    x = 27,015,236,027.16/236,171.70
  6. Step 6: Final answer
    x = 114,388.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.