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Finding the Fourth Proportional to 114,370.16, 157,815.86 and 63,380.43

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Solution

The fourth proportional to 114,370.16, 157,815.86 and 63,380.43 is: 87,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,370.16 : 157,815.86 = 63,380.43 : x
  2. Step 2: Convert to fraction form
    114,370.16/157,815.86 = 63,380.43/x
  3. Step 3: Cross multiply
    114,370.16x = 157,815.86 × 63,380.43
  4. Step 4: Simplify right side
    114,370.16x = 10,002,436,750.72
  5. Step 5: Solve for x
    x = 10,002,436,750.72/114,370.16
  6. Step 6: Final answer
    x = 87,456.70

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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.