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Finding the Fourth Proportional to 271,780.72, 375,044.76 and 150,929.74

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Solution

The fourth proportional to 271,780.72, 375,044.76 and 150,929.74 is: 208,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,780.72 : 375,044.76 = 150,929.74 : x
  2. Step 2: Convert to fraction form
    271,780.72/375,044.76 = 150,929.74/x
  3. Step 3: Cross multiply
    271,780.72x = 375,044.76 × 150,929.74
  4. Step 4: Simplify right side
    271,780.72x = 56,605,408,115.16
  5. Step 5: Solve for x
    x = 56,605,408,115.16/271,780.72
  6. Step 6: Final answer
    x = 208,276.03

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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.