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Finding the Fourth Proportional to 271,463.59, 374,577.51 and 155,175.40

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Solution

The fourth proportional to 271,463.59, 374,577.51 and 155,175.40 is: 214,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,463.59 : 374,577.51 = 155,175.40 : x
  2. Step 2: Convert to fraction form
    271,463.59/374,577.51 = 155,175.40/x
  3. Step 3: Cross multiply
    271,463.59x = 374,577.51 × 155,175.40
  4. Step 4: Simplify right side
    271,463.59x = 58,125,214,945.25
  5. Step 5: Solve for x
    x = 58,125,214,945.25/271,463.59
  6. Step 6: Final answer
    x = 214,117.90

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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.