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Finding the Fourth Proportional to 189,196.52, 261,092.96 and 104,316.60

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Solution

The fourth proportional to 189,196.52, 261,092.96 and 104,316.60 is: 143,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,196.52 : 261,092.96 = 104,316.60 : x
  2. Step 2: Convert to fraction form
    189,196.52/261,092.96 = 104,316.60/x
  3. Step 3: Cross multiply
    189,196.52x = 261,092.96 × 104,316.60
  4. Step 4: Simplify right side
    189,196.52x = 27,236,329,871.14
  5. Step 5: Solve for x
    x = 27,236,329,871.14/189,196.52
  6. Step 6: Final answer
    x = 143,957.88

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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.