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Finding the Fourth Proportional to 271,811.65, 375,089.78 and 150,960.72

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Solution

The fourth proportional to 271,811.65, 375,089.78 and 150,960.72 is: 208,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,811.65 : 375,089.78 = 150,960.72 : x
  2. Step 2: Convert to fraction form
    271,811.65/375,089.78 = 150,960.72/x
  3. Step 3: Cross multiply
    271,811.65x = 375,089.78 × 150,960.72
  4. Step 4: Simplify right side
    271,811.65x = 56,623,823,253.44
  5. Step 5: Solve for x
    x = 56,623,823,253.44/271,811.65
  6. Step 6: Final answer
    x = 208,320.07

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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.