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Finding the Fourth Proportional to 271,026.34, 374,003.76 and 148,518

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Solution

The fourth proportional to 271,026.34, 374,003.76 and 148,518 is: 204,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,026.34 : 374,003.76 = 148,518 : x
  2. Step 2: Convert to fraction form
    271,026.34/374,003.76 = 148,518/x
  3. Step 3: Cross multiply
    271,026.34x = 374,003.76 × 148,518
  4. Step 4: Simplify right side
    271,026.34x = 55,546,290,427.68
  5. Step 5: Solve for x
    x = 55,546,290,427.68/271,026.34
  6. Step 6: Final answer
    x = 204,947.94

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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.