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Finding the Fourth Proportional to 293,630.76, 405,199.62 and 159,491.88

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Solution

The fourth proportional to 293,630.76, 405,199.62 and 159,491.88 is: 220,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,630.76 : 405,199.62 = 159,491.88 : x
  2. Step 2: Convert to fraction form
    293,630.76/405,199.62 = 159,491.88/x
  3. Step 3: Cross multiply
    293,630.76x = 405,199.62 × 159,491.88
  4. Step 4: Simplify right side
    293,630.76x = 64,626,049,169.09
  5. Step 5: Solve for x
    x = 64,626,049,169.09/293,630.76
  6. Step 6: Final answer
    x = 220,092.91

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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.