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Finding the Fourth Proportional to 207,293.28, 310,939.92 and 114,389.52

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Solution

The fourth proportional to 207,293.28, 310,939.92 and 114,389.52 is: 171,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,293.28 : 310,939.92 = 114,389.52 : x
  2. Step 2: Convert to fraction form
    207,293.28/310,939.92 = 114,389.52/x
  3. Step 3: Cross multiply
    207,293.28x = 310,939.92 × 114,389.52
  4. Step 4: Simplify right side
    207,293.28x = 35,568,268,197.64
  5. Step 5: Solve for x
    x = 35,568,268,197.64/207,293.28
  6. Step 6: Final answer
    x = 171,584.28

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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.