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Finding the Fourth Proportional to 189,892.35, 262,013.54 and 104,993.01

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Solution

The fourth proportional to 189,892.35, 262,013.54 and 104,993.01 is: 144,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,892.35 : 262,013.54 = 104,993.01 : x
  2. Step 2: Convert to fraction form
    189,892.35/262,013.54 = 104,993.01/x
  3. Step 3: Cross multiply
    189,892.35x = 262,013.54 × 104,993.01
  4. Step 4: Simplify right side
    189,892.35x = 27,509,589,700.39
  5. Step 5: Solve for x
    x = 27,509,589,700.39/189,892.35
  6. Step 6: Final answer
    x = 144,869.39

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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.