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Finding the Fourth Proportional to 114,162.75, 157,544.60 and 63,861.75

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Solution

The fourth proportional to 114,162.75, 157,544.60 and 63,861.75 is: 88,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,162.75 : 157,544.60 = 63,861.75 : x
  2. Step 2: Convert to fraction form
    114,162.75/157,544.60 = 63,861.75/x
  3. Step 3: Cross multiply
    114,162.75x = 157,544.60 × 63,861.75
  4. Step 4: Simplify right side
    114,162.75x = 10,061,073,539.74
  5. Step 5: Solve for x
    x = 10,061,073,539.74/114,162.75
  6. Step 6: Final answer
    x = 88,129.22

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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.