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Finding the Fourth Proportional to 213,414.44, 294,489.83 and 117,908.15

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Solution

The fourth proportional to 213,414.44, 294,489.83 and 117,908.15 is: 162,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,414.44 : 294,489.83 = 117,908.15 : x
  2. Step 2: Convert to fraction form
    213,414.44/294,489.83 = 117,908.15/x
  3. Step 3: Cross multiply
    213,414.44x = 294,489.83 × 117,908.15
  4. Step 4: Simplify right side
    213,414.44x = 34,722,748,987.12
  5. Step 5: Solve for x
    x = 34,722,748,987.12/213,414.44
  6. Step 6: Final answer
    x = 162,701.03

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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.