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Finding the Fourth Proportional to 117,450.96, 176,154.52 and 54,268.60

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Solution

The fourth proportional to 117,450.96, 176,154.52 and 54,268.60 is: 81,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,450.96 : 176,154.52 = 54,268.60 : x
  2. Step 2: Convert to fraction form
    117,450.96/176,154.52 = 54,268.60/x
  3. Step 3: Cross multiply
    117,450.96x = 176,154.52 × 54,268.60
  4. Step 4: Simplify right side
    117,450.96x = 9,559,659,184.07
  5. Step 5: Solve for x
    x = 9,559,659,184.07/117,450.96
  6. Step 6: Final answer
    x = 81,392.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.