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Finding the Fourth Proportional to 273,911.08, 377,996.16 and 151,400.04

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Solution

The fourth proportional to 273,911.08, 377,996.16 and 151,400.04 is: 208,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,911.08 : 377,996.16 = 151,400.04 : x
  2. Step 2: Convert to fraction form
    273,911.08/377,996.16 = 151,400.04/x
  3. Step 3: Cross multiply
    273,911.08x = 377,996.16 × 151,400.04
  4. Step 4: Simplify right side
    273,911.08x = 57,228,633,743.85
  5. Step 5: Solve for x
    x = 57,228,633,743.85/273,911.08
  6. Step 6: Final answer
    x = 208,931.43

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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.