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Finding the Fourth Proportional to 235,451.68, 324,993.36 and 134,916.64

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Solution

The fourth proportional to 235,451.68, 324,993.36 and 134,916.64 is: 186,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,451.68 : 324,993.36 = 134,916.64 : x
  2. Step 2: Convert to fraction form
    235,451.68/324,993.36 = 134,916.64/x
  3. Step 3: Cross multiply
    235,451.68x = 324,993.36 × 134,916.64
  4. Step 4: Simplify right side
    235,451.68x = 43,847,012,153.51
  5. Step 5: Solve for x
    x = 43,847,012,153.51/235,451.68
  6. Step 6: Final answer
    x = 186,225.10

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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.