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Finding the Fourth Proportional to 220,071.94, 303,699.58 and 119,469.94

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Solution

The fourth proportional to 220,071.94, 303,699.58 and 119,469.94 is: 164,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,071.94 : 303,699.58 = 119,469.94 : x
  2. Step 2: Convert to fraction form
    220,071.94/303,699.58 = 119,469.94/x
  3. Step 3: Cross multiply
    220,071.94x = 303,699.58 × 119,469.94
  4. Step 4: Simplify right side
    220,071.94x = 36,282,969,542.70
  5. Step 5: Solve for x
    x = 36,282,969,542.70/220,071.94
  6. Step 6: Final answer
    x = 164,868.68

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1.5x scale

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.