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Finding the Fourth Proportional to 216,081.49, 298,184.63 and 119,283.26

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Solution

The fourth proportional to 216,081.49, 298,184.63 and 119,283.26 is: 164,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,081.49 : 298,184.63 = 119,283.26 : x
  2. Step 2: Convert to fraction form
    216,081.49/298,184.63 = 119,283.26/x
  3. Step 3: Cross multiply
    216,081.49x = 298,184.63 × 119,283.26
  4. Step 4: Simplify right side
    216,081.49x = 35,568,435,764.02
  5. Step 5: Solve for x
    x = 35,568,435,764.02/216,081.49
  6. Step 6: Final answer
    x = 164,606.59

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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.