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Finding the Fourth Proportional to 271,828.71, 375,067.67 and 157,066.29

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Solution

The fourth proportional to 271,828.71, 375,067.67 and 157,066.29 is: 216,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,828.71 : 375,067.67 = 157,066.29 : x
  2. Step 2: Convert to fraction form
    271,828.71/375,067.67 = 157,066.29/x
  3. Step 3: Cross multiply
    271,828.71x = 375,067.67 × 157,066.29
  4. Step 4: Simplify right side
    271,828.71x = 58,910,486,640.51
  5. Step 5: Solve for x
    x = 58,910,486,640.51/271,828.71
  6. Step 6: Final answer
    x = 216,719.15

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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.