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Finding the Fourth Proportional to 189,084.82, 260,937.04 and 104,201.88

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Solution

The fourth proportional to 189,084.82, 260,937.04 and 104,201.88 is: 143,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,084.82 : 260,937.04 = 104,201.88 : x
  2. Step 2: Convert to fraction form
    189,084.82/260,937.04 = 104,201.88/x
  3. Step 3: Cross multiply
    189,084.82x = 260,937.04 × 104,201.88
  4. Step 4: Simplify right side
    189,084.82x = 27,190,130,129.64
  5. Step 5: Solve for x
    x = 27,190,130,129.64/189,084.82
  6. Step 6: Final answer
    x = 143,798.59

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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.