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Finding the Fourth Proportional to 247,718.66, 341,853.50 and 134,541.41

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Solution

The fourth proportional to 247,718.66, 341,853.50 and 134,541.41 is: 185,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718.66 : 341,853.50 = 134,541.41 : x
  2. Step 2: Convert to fraction form
    247,718.66/341,853.50 = 134,541.41/x
  3. Step 3: Cross multiply
    247,718.66x = 341,853.50 × 134,541.41
  4. Step 4: Simplify right side
    247,718.66x = 45,993,451,903.44
  5. Step 5: Solve for x
    x = 45,993,451,903.44/247,718.66
  6. Step 6: Final answer
    x = 185,668.10

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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.