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Finding the Fourth Proportional to 189,059.57, 260,907.77 and 104,182.10

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Solution

The fourth proportional to 189,059.57, 260,907.77 and 104,182.10 is: 143,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,059.57 : 260,907.77 = 104,182.10 : x
  2. Step 2: Convert to fraction form
    189,059.57/260,907.77 = 104,182.10/x
  3. Step 3: Cross multiply
    189,059.57x = 260,907.77 × 104,182.10
  4. Step 4: Simplify right side
    189,059.57x = 27,181,917,559.47
  5. Step 5: Solve for x
    x = 27,181,917,559.47/189,059.57
  6. Step 6: Final answer
    x = 143,774.36

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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.