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Finding the Fourth Proportional to 271,051.59, 374,056.61 and 157,881.63

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Solution

The fourth proportional to 271,051.59, 374,056.61 and 157,881.63 is: 217,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,051.59 : 374,056.61 = 157,881.63 : x
  2. Step 2: Convert to fraction form
    271,051.59/374,056.61 = 157,881.63/x
  3. Step 3: Cross multiply
    271,051.59x = 374,056.61 × 157,881.63
  4. Step 4: Simplify right side
    271,051.59x = 59,056,667,299.07
  5. Step 5: Solve for x
    x = 59,056,667,299.07/271,051.59
  6. Step 6: Final answer
    x = 217,879.80

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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.