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Finding the Fourth Proportional to 291,375.80, 437,126.22 and 165,076.55

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Solution

The fourth proportional to 291,375.80, 437,126.22 and 165,076.55 is: 247,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,375.80 : 437,126.22 = 165,076.55 : x
  2. Step 2: Convert to fraction form
    291,375.80/437,126.22 = 165,076.55/x
  3. Step 3: Cross multiply
    291,375.80x = 437,126.22 × 165,076.55
  4. Step 4: Simplify right side
    291,375.80x = 72,159,286,126.51
  5. Step 5: Solve for x
    x = 72,159,286,126.51/291,375.80
  6. Step 6: Final answer
    x = 247,650.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.