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Finding the Fourth Proportional to 114,240.71, 157,652.16 and 63,939.71

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Solution

The fourth proportional to 114,240.71, 157,652.16 and 63,939.71 is: 88,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,240.71 : 157,652.16 = 63,939.71 : x
  2. Step 2: Convert to fraction form
    114,240.71/157,652.16 = 63,939.71/x
  3. Step 3: Cross multiply
    114,240.71x = 157,652.16 × 63,939.71
  4. Step 4: Simplify right side
    114,240.71x = 10,080,233,391.27
  5. Step 5: Solve for x
    x = 10,080,233,391.27/114,240.71
  6. Step 6: Final answer
    x = 88,236.79

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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.