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Finding the Fourth Proportional to 271,843.68, 375,146.64 and 158,644.32

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Solution

The fourth proportional to 271,843.68, 375,146.64 and 158,644.32 is: 218,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,843.68 : 375,146.64 = 158,644.32 : x
  2. Step 2: Convert to fraction form
    271,843.68/375,146.64 = 158,644.32/x
  3. Step 3: Cross multiply
    271,843.68x = 375,146.64 × 158,644.32
  4. Step 4: Simplify right side
    271,843.68x = 59,514,883,603.08
  5. Step 5: Solve for x
    x = 59,514,883,603.08/271,843.68
  6. Step 6: Final answer
    x = 218,930.54

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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.