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Finding the Fourth Proportional to 239,364.59, 330,317.28 and 131,932.26

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Solution

The fourth proportional to 239,364.59, 330,317.28 and 131,932.26 is: 182,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,364.59 : 330,317.28 = 131,932.26 : x
  2. Step 2: Convert to fraction form
    239,364.59/330,317.28 = 131,932.26/x
  3. Step 3: Cross multiply
    239,364.59x = 330,317.28 × 131,932.26
  4. Step 4: Simplify right side
    239,364.59x = 43,579,505,267.45
  5. Step 5: Solve for x
    x = 43,579,505,267.45/239,364.59
  6. Step 6: Final answer
    x = 182,063.30

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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.