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Finding the Fourth Proportional to 239,658.94, 330,739.34 and 132,235.93

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Solution

The fourth proportional to 239,658.94, 330,739.34 and 132,235.93 is: 182,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,658.94 : 330,739.34 = 132,235.93 : x
  2. Step 2: Convert to fraction form
    239,658.94/330,739.34 = 132,235.93/x
  3. Step 3: Cross multiply
    239,658.94x = 330,739.34 × 132,235.93
  4. Step 4: Simplify right side
    239,658.94x = 43,735,624,212.49
  5. Step 5: Solve for x
    x = 43,735,624,212.49/239,658.94
  6. Step 6: Final answer
    x = 182,491.10

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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.