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Finding the Fourth Proportional to 271,035, 374,028.30 and 151,803

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Solution

The fourth proportional to 271,035, 374,028.30 and 151,803 is: 209,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,035 : 374,028.30 = 151,803 : x
  2. Step 2: Convert to fraction form
    271,035/374,028.30 = 151,803/x
  3. Step 3: Cross multiply
    271,035x = 374,028.30 × 151,803
  4. Step 4: Simplify right side
    271,035x = 56,778,618,024.90
  5. Step 5: Solve for x
    x = 56,778,618,024.90/271,035
  6. Step 6: Final answer
    x = 209,488.14

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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.