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Finding the Fourth Proportional to 271,894.60, 375,274.52 and 151,077.40

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Solution

The fourth proportional to 271,894.60, 375,274.52 and 151,077.40 is: 208,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,894.60 : 375,274.52 = 151,077.40 : x
  2. Step 2: Convert to fraction form
    271,894.60/375,274.52 = 151,077.40/x
  3. Step 3: Cross multiply
    271,894.60x = 375,274.52 × 151,077.40
  4. Step 4: Simplify right side
    271,894.60x = 56,695,498,767.85
  5. Step 5: Solve for x
    x = 56,695,498,767.85/271,894.60
  6. Step 6: Final answer
    x = 208,520.14

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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.