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Finding the Fourth Proportional to 291,636.01, 437,439.43 and 114,175.54

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Solution

The fourth proportional to 291,636.01, 437,439.43 and 114,175.54 is: 171,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,636.01 : 437,439.43 = 114,175.54 : x
  2. Step 2: Convert to fraction form
    291,636.01/437,439.43 = 114,175.54/x
  3. Step 3: Cross multiply
    291,636.01x = 437,439.43 × 114,175.54
  4. Step 4: Simplify right side
    291,636.01x = 49,944,883,137.54
  5. Step 5: Solve for x
    x = 49,944,883,137.54/291,636.01
  6. Step 6: Final answer
    x = 171,257.60

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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.