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Finding the Fourth Proportional to 271,876.62, 375,189.59 and 151,029.16

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Solution

The fourth proportional to 271,876.62, 375,189.59 and 151,029.16 is: 208,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,876.62 : 375,189.59 = 151,029.16 : x
  2. Step 2: Convert to fraction form
    271,876.62/375,189.59 = 151,029.16/x
  3. Step 3: Cross multiply
    271,876.62x = 375,189.59 × 151,029.16
  4. Step 4: Simplify right side
    271,876.62x = 56,664,567,208.50
  5. Step 5: Solve for x
    x = 56,664,567,208.50/271,876.62
  6. Step 6: Final answer
    x = 208,420.16

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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.