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Finding the Fourth Proportional to 223,143.41, 334,715.11 and 65,371.86

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Solution

The fourth proportional to 223,143.41, 334,715.11 and 65,371.86 is: 98,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,143.41 : 334,715.11 = 65,371.86 : x
  2. Step 2: Convert to fraction form
    223,143.41/334,715.11 = 65,371.86/x
  3. Step 3: Cross multiply
    223,143.41x = 334,715.11 × 65,371.86
  4. Step 4: Simplify right side
    223,143.41x = 21,880,949,331.23
  5. Step 5: Solve for x
    x = 21,880,949,331.23/223,143.41
  6. Step 6: Final answer
    x = 98,057.79

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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.