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Finding the Fourth Proportional to 213,162.44, 294,164.87 and 117,668.90

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Solution

The fourth proportional to 213,162.44, 294,164.87 and 117,668.90 is: 162,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,162.44 : 294,164.87 = 117,668.90 : x
  2. Step 2: Convert to fraction form
    213,162.44/294,164.87 = 117,668.90/x
  3. Step 3: Cross multiply
    213,162.44x = 294,164.87 × 117,668.90
  4. Step 4: Simplify right side
    213,162.44x = 34,614,056,818.61
  5. Step 5: Solve for x
    x = 34,614,056,818.61/213,162.44
  6. Step 6: Final answer
    x = 162,383.47

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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.