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Finding the Fourth Proportional to 271,840.36, 375,112.24 and 158,728.72

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Solution

The fourth proportional to 271,840.36, 375,112.24 and 158,728.72 is: 219,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,840.36 : 375,112.24 = 158,728.72 : x
  2. Step 2: Convert to fraction form
    271,840.36/375,112.24 = 158,728.72/x
  3. Step 3: Cross multiply
    271,840.36x = 375,112.24 × 158,728.72
  4. Step 4: Simplify right side
    271,840.36x = 59,541,085,711.53
  5. Step 5: Solve for x
    x = 59,541,085,711.53/271,840.36
  6. Step 6: Final answer
    x = 219,029.60

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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.