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Finding the Fourth Proportional to 189,116.68, 260,980.23 and 104,233.72

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Solution

The fourth proportional to 189,116.68, 260,980.23 and 104,233.72 is: 143,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,116.68 : 260,980.23 = 104,233.72 : x
  2. Step 2: Convert to fraction form
    189,116.68/260,980.23 = 104,233.72/x
  3. Step 3: Cross multiply
    189,116.68x = 260,980.23 × 104,233.72
  4. Step 4: Simplify right side
    189,116.68x = 27,202,940,219.36
  5. Step 5: Solve for x
    x = 27,202,940,219.36/189,116.68
  6. Step 6: Final answer
    x = 143,842.10

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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.