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Finding the Fourth Proportional to 222,509.36, 333,784.50 and 72,750.44

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Solution

The fourth proportional to 222,509.36, 333,784.50 and 72,750.44 is: 109,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,509.36 : 333,784.50 = 72,750.44 : x
  2. Step 2: Convert to fraction form
    222,509.36/333,784.50 = 72,750.44/x
  3. Step 3: Cross multiply
    222,509.36x = 333,784.50 × 72,750.44
  4. Step 4: Simplify right side
    222,509.36x = 24,282,969,240.18
  5. Step 5: Solve for x
    x = 24,282,969,240.18/222,509.36
  6. Step 6: Final answer
    x = 109,132.35

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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.