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Finding the Fourth Proportional to 239,468.90, 330,466.47 and 132,040.62

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Solution

The fourth proportional to 239,468.90, 330,466.47 and 132,040.62 is: 182,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,468.90 : 330,466.47 = 132,040.62 : x
  2. Step 2: Convert to fraction form
    239,468.90/330,466.47 = 132,040.62/x
  3. Step 3: Cross multiply
    239,468.90x = 330,466.47 × 132,040.62
  4. Step 4: Simplify right side
    239,468.90x = 43,634,997,588.01
  5. Step 5: Solve for x
    x = 43,634,997,588.01/239,468.90
  6. Step 6: Final answer
    x = 182,215.72

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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.