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Finding the Fourth Proportional to 222,535.60, 333,835.80 and 72,739.60

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Solution

The fourth proportional to 222,535.60, 333,835.80 and 72,739.60 is: 109,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,535.60 : 333,835.80 = 72,739.60 : x
  2. Step 2: Convert to fraction form
    222,535.60/333,835.80 = 72,739.60/x
  3. Step 3: Cross multiply
    222,535.60x = 333,835.80 × 72,739.60
  4. Step 4: Simplify right side
    222,535.60x = 24,283,082,557.68
  5. Step 5: Solve for x
    x = 24,283,082,557.68/222,535.60
  6. Step 6: Final answer
    x = 109,119.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.