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Finding the Fourth Proportional to 189,366.24, 261,326.31 and 104,483.31

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Solution

The fourth proportional to 189,366.24, 261,326.31 and 104,483.31 is: 144,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,366.24 : 261,326.31 = 104,483.31 : x
  2. Step 2: Convert to fraction form
    189,366.24/261,326.31 = 104,483.31/x
  3. Step 3: Cross multiply
    189,366.24x = 261,326.31 × 104,483.31
  4. Step 4: Simplify right side
    189,366.24x = 27,304,237,858.89
  5. Step 5: Solve for x
    x = 27,304,237,858.89/189,366.24
  6. Step 6: Final answer
    x = 144,187.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.