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Finding the Fourth Proportional to 271,893.43, 375,219.75 and 151,028.92

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Solution

The fourth proportional to 271,893.43, 375,219.75 and 151,028.92 is: 208,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,893.43 : 375,219.75 = 151,028.92 : x
  2. Step 2: Convert to fraction form
    271,893.43/375,219.75 = 151,028.92/x
  3. Step 3: Cross multiply
    271,893.43x = 375,219.75 × 151,028.92
  4. Step 4: Simplify right side
    271,893.43x = 56,669,033,605.17
  5. Step 5: Solve for x
    x = 56,669,033,605.17/271,893.43
  6. Step 6: Final answer
    x = 208,423.70

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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.