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Finding the Fourth Proportional to 194,604.74, 291,919.41 and 82,264.01

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Solution

The fourth proportional to 194,604.74, 291,919.41 and 82,264.01 is: 123,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,604.74 : 291,919.41 = 82,264.01 : x
  2. Step 2: Convert to fraction form
    194,604.74/291,919.41 = 82,264.01/x
  3. Step 3: Cross multiply
    194,604.74x = 291,919.41 × 82,264.01
  4. Step 4: Simplify right side
    194,604.74x = 24,014,461,263.43
  5. Step 5: Solve for x
    x = 24,014,461,263.43/194,604.74
  6. Step 6: Final answer
    x = 123,401.22

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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.