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Finding the Fourth Proportional to 233,643.90, 322,447.56 and 131,676.27

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Solution

The fourth proportional to 233,643.90, 322,447.56 and 131,676.27 is: 181,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,643.90 : 322,447.56 = 131,676.27 : x
  2. Step 2: Convert to fraction form
    233,643.90/322,447.56 = 131,676.27/x
  3. Step 3: Cross multiply
    233,643.90x = 322,447.56 × 131,676.27
  4. Step 4: Simplify right side
    233,643.90x = 42,458,691,119.92
  5. Step 5: Solve for x
    x = 42,458,691,119.92/233,643.90
  6. Step 6: Final answer
    x = 181,723.94

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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.