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Finding the Fourth Proportional to 114,046.32, 157,380.84 and 63,755.04

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Solution

The fourth proportional to 114,046.32, 157,380.84 and 63,755.04 is: 87,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,046.32 : 157,380.84 = 63,755.04 : x
  2. Step 2: Convert to fraction form
    114,046.32/157,380.84 = 63,755.04/x
  3. Step 3: Cross multiply
    114,046.32x = 157,380.84 × 63,755.04
  4. Step 4: Simplify right side
    114,046.32x = 10,033,821,749.43
  5. Step 5: Solve for x
    x = 10,033,821,749.43/114,046.32
  6. Step 6: Final answer
    x = 87,980.23

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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.