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Finding the Fourth Proportional to 189,652.37, 261,697.95 and 104,764.37

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Solution

The fourth proportional to 189,652.37, 261,697.95 and 104,764.37 is: 144,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,652.37 : 261,697.95 = 104,764.37 : x
  2. Step 2: Convert to fraction form
    189,652.37/261,697.95 = 104,764.37/x
  3. Step 3: Cross multiply
    189,652.37x = 261,697.95 × 104,764.37
  4. Step 4: Simplify right side
    189,652.37x = 27,416,619,553.55
  5. Step 5: Solve for x
    x = 27,416,619,553.55/189,652.37
  6. Step 6: Final answer
    x = 144,562.50

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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.