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Finding the Fourth Proportional to 194,899, 291,503.94 and 114,745.99

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Solution

The fourth proportional to 194,899, 291,503.94 and 114,745.99 is: 171,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,899 : 291,503.94 = 114,745.99 : x
  2. Step 2: Convert to fraction form
    194,899/291,503.94 = 114,745.99/x
  3. Step 3: Cross multiply
    194,899x = 291,503.94 × 114,745.99
  4. Step 4: Simplify right side
    194,899x = 33,448,908,184.20
  5. Step 5: Solve for x
    x = 33,448,908,184.20/194,899
  6. Step 6: Final answer
    x = 171,621.75

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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.