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Finding the Fourth Proportional to 271,387.89, 374,466.87 and 163,885.95

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Solution

The fourth proportional to 271,387.89, 374,466.87 and 163,885.95 is: 226,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,387.89 : 374,466.87 = 163,885.95 : x
  2. Step 2: Convert to fraction form
    271,387.89/374,466.87 = 163,885.95/x
  3. Step 3: Cross multiply
    271,387.89x = 374,466.87 × 163,885.95
  4. Step 4: Simplify right side
    271,387.89x = 61,369,858,733.48
  5. Step 5: Solve for x
    x = 61,369,858,733.48/271,387.89
  6. Step 6: Final answer
    x = 226,133.37

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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.