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Finding the Fourth Proportional to 271,036.50, 374,040.10 and 163,585.56

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Solution

The fourth proportional to 271,036.50, 374,040.10 and 163,585.56 is: 225,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,036.50 : 374,040.10 = 163,585.56 : x
  2. Step 2: Convert to fraction form
    271,036.50/374,040.10 = 163,585.56/x
  3. Step 3: Cross multiply
    271,036.50x = 374,040.10 × 163,585.56
  4. Step 4: Simplify right side
    271,036.50x = 61,187,559,220.96
  5. Step 5: Solve for x
    x = 61,187,559,220.96/271,036.50
  6. Step 6: Final answer
    x = 225,753.95

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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.