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Finding the Fourth Proportional to 239,147.54, 330,046.88 and 178,613.07

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Solution

The fourth proportional to 239,147.54, 330,046.88 and 178,613.07 is: 246,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,147.54 : 330,046.88 = 178,613.07 : x
  2. Step 2: Convert to fraction form
    239,147.54/330,046.88 = 178,613.07/x
  3. Step 3: Cross multiply
    239,147.54x = 330,046.88 × 178,613.07
  4. Step 4: Simplify right side
    239,147.54x = 58,950,685,587.66
  5. Step 5: Solve for x
    x = 58,950,685,587.66/239,147.54
  6. Step 6: Final answer
    x = 246,503.42

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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.