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Finding the Fourth Proportional to 223,516.28, 335,321.40 and 65,731.52

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Solution

The fourth proportional to 223,516.28, 335,321.40 and 65,731.52 is: 98,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,516.28 : 335,321.40 = 65,731.52 : x
  2. Step 2: Convert to fraction form
    223,516.28/335,321.40 = 65,731.52/x
  3. Step 3: Cross multiply
    223,516.28x = 335,321.40 × 65,731.52
  4. Step 4: Simplify right side
    223,516.28x = 22,041,185,310.53
  5. Step 5: Solve for x
    x = 22,041,185,310.53/223,516.28
  6. Step 6: Final answer
    x = 98,611.10

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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.