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Finding the Fourth Proportional to 271,974.42, 375,323.49 and 151,135.38

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Solution

The fourth proportional to 271,974.42, 375,323.49 and 151,135.38 is: 208,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,974.42 : 375,323.49 = 151,135.38 : x
  2. Step 2: Convert to fraction form
    271,974.42/375,323.49 = 151,135.38/x
  3. Step 3: Cross multiply
    271,974.42x = 375,323.49 × 151,135.38
  4. Step 4: Simplify right side
    271,974.42x = 56,724,658,284.08
  5. Step 5: Solve for x
    x = 56,724,658,284.08/271,974.42
  6. Step 6: Final answer
    x = 208,566.15

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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.