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Finding the Fourth Proportional to 160,512.34, 240,769.72 and 42,183.48

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Solution

The fourth proportional to 160,512.34, 240,769.72 and 42,183.48 is: 63,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,512.34 : 240,769.72 = 42,183.48 : x
  2. Step 2: Convert to fraction form
    160,512.34/240,769.72 = 42,183.48/x
  3. Step 3: Cross multiply
    160,512.34x = 240,769.72 × 42,183.48
  4. Step 4: Simplify right side
    160,512.34x = 10,156,504,668.23
  5. Step 5: Solve for x
    x = 10,156,504,668.23/160,512.34
  6. Step 6: Final answer
    x = 63,275.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.