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Finding the Fourth Proportional to 216,867.71, 299,067.49 and 169,103.63

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Solution

The fourth proportional to 216,867.71, 299,067.49 and 169,103.63 is: 233,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,867.71 : 299,067.49 = 169,103.63 : x
  2. Step 2: Convert to fraction form
    216,867.71/299,067.49 = 169,103.63/x
  3. Step 3: Cross multiply
    216,867.71x = 299,067.49 × 169,103.63
  4. Step 4: Simplify right side
    216,867.71x = 50,573,399,133.04
  5. Step 5: Solve for x
    x = 50,573,399,133.04/216,867.71
  6. Step 6: Final answer
    x = 233,199.30

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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.