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Finding the Fourth Proportional to 189,174.96, 261,071.10 and 104,291.82

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Solution

The fourth proportional to 189,174.96, 261,071.10 and 104,291.82 is: 143,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,174.96 : 261,071.10 = 104,291.82 : x
  2. Step 2: Convert to fraction form
    189,174.96/261,071.10 = 104,291.82/x
  3. Step 3: Cross multiply
    189,174.96x = 261,071.10 × 104,291.82
  4. Step 4: Simplify right side
    189,174.96x = 27,227,580,168.40
  5. Step 5: Solve for x
    x = 27,227,580,168.40/189,174.96
  6. Step 6: Final answer
    x = 143,928.03

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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.