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Finding the Fourth Proportional to 239,299.88, 330,236.00 and 131,873.76

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Solution

The fourth proportional to 239,299.88, 330,236.00 and 131,873.76 is: 181,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,299.88 : 330,236.00 = 131,873.76 : x
  2. Step 2: Convert to fraction form
    239,299.88/330,236.00 = 131,873.76/x
  3. Step 3: Cross multiply
    239,299.88x = 330,236.00 × 131,873.76
  4. Step 4: Simplify right side
    239,299.88x = 43,549,462,347.99
  5. Step 5: Solve for x
    x = 43,549,462,347.99/239,299.88
  6. Step 6: Final answer
    x = 181,986.98

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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.