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Finding the Fourth Proportional to 217,802.32, 326,719.88 and 60,029.41

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Solution

The fourth proportional to 217,802.32, 326,719.88 and 60,029.41 is: 90,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,802.32 : 326,719.88 = 60,029.41 : x
  2. Step 2: Convert to fraction form
    217,802.32/326,719.88 = 60,029.41/x
  3. Step 3: Cross multiply
    217,802.32x = 326,719.88 × 60,029.41
  4. Step 4: Simplify right side
    217,802.32x = 19,612,800,964.94
  5. Step 5: Solve for x
    x = 19,612,800,964.94/217,802.32
  6. Step 6: Final answer
    x = 90,048.63

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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.