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Finding the Fourth Proportional to 192,384.40, 265,352.73 and 135,036.53

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Solution

The fourth proportional to 192,384.40, 265,352.73 and 135,036.53 is: 186,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,384.40 : 265,352.73 = 135,036.53 : x
  2. Step 2: Convert to fraction form
    192,384.40/265,352.73 = 135,036.53/x
  3. Step 3: Cross multiply
    192,384.40x = 265,352.73 × 135,036.53
  4. Step 4: Simplify right side
    192,384.40x = 35,832,311,885.23
  5. Step 5: Solve for x
    x = 35,832,311,885.23/192,384.40
  6. Step 6: Final answer
    x = 186,253.73

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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.