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Finding the Fourth Proportional to 114,183.64, 157,724.02 and 87,653.96

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Solution

The fourth proportional to 114,183.64, 157,724.02 and 87,653.96 is: 121,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,183.64 : 157,724.02 = 87,653.96 : x
  2. Step 2: Convert to fraction form
    114,183.64/157,724.02 = 87,653.96/x
  3. Step 3: Cross multiply
    114,183.64x = 157,724.02 × 87,653.96
  4. Step 4: Simplify right side
    114,183.64x = 13,825,134,940.12
  5. Step 5: Solve for x
    x = 13,825,134,940.12/114,183.64
  6. Step 6: Final answer
    x = 121,078.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.