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Finding the Fourth Proportional to 199,252, 274,965.98 and 108,607.96

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Solution

The fourth proportional to 199,252, 274,965.98 and 108,607.96 is: 149,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,252 : 274,965.98 = 108,607.96 : x
  2. Step 2: Convert to fraction form
    199,252/274,965.98 = 108,607.96/x
  3. Step 3: Cross multiply
    199,252x = 274,965.98 × 108,607.96
  4. Step 4: Simplify right side
    199,252x = 29,863,494,157.20
  5. Step 5: Solve for x
    x = 29,863,494,157.20/199,252
  6. Step 6: Final answer
    x = 149,878.01

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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.