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Finding the Fourth Proportional to 220,150.50, 303,811.47 and 119,548.50

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Solution

The fourth proportional to 220,150.50, 303,811.47 and 119,548.50 is: 164,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,150.50 : 303,811.47 = 119,548.50 : x
  2. Step 2: Convert to fraction form
    220,150.50/303,811.47 = 119,548.50/x
  3. Step 3: Cross multiply
    220,150.50x = 303,811.47 × 119,548.50
  4. Step 4: Simplify right side
    220,150.50x = 36,320,205,521.30
  5. Step 5: Solve for x
    x = 36,320,205,521.30/220,150.50
  6. Step 6: Final answer
    x = 164,978.98

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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.