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Finding the Fourth Proportional to 271,878.90, 375,182.34 and 151,027.86

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Solution

The fourth proportional to 271,878.90, 375,182.34 and 151,027.86 is: 208,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,878.90 : 375,182.34 = 151,027.86 : x
  2. Step 2: Convert to fraction form
    271,878.90/375,182.34 = 151,027.86/x
  3. Step 3: Cross multiply
    271,878.90x = 375,182.34 × 151,027.86
  4. Step 4: Simplify right side
    271,878.90x = 56,662,985,919.99
  5. Step 5: Solve for x
    x = 56,662,985,919.99/271,878.90
  6. Step 6: Final answer
    x = 208,412.59

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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.