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Finding the Fourth Proportional to 114,671.79, 158,249.19 and 63,689.24

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Solution

The fourth proportional to 114,671.79, 158,249.19 and 63,689.24 is: 87,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,671.79 : 158,249.19 = 63,689.24 : x
  2. Step 2: Convert to fraction form
    114,671.79/158,249.19 = 63,689.24/x
  3. Step 3: Cross multiply
    114,671.79x = 158,249.19 × 63,689.24
  4. Step 4: Simplify right side
    114,671.79x = 10,078,770,641.72
  5. Step 5: Solve for x
    x = 10,078,770,641.72/114,671.79
  6. Step 6: Final answer
    x = 87,892.33

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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.