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Finding the Fourth Proportional to 329,261.14, 493,867 and 118,899.01

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Solution

The fourth proportional to 329,261.14, 493,867 and 118,899.01 is: 178,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,261.14 : 493,867 = 118,899.01 : x
  2. Step 2: Convert to fraction form
    329,261.14/493,867 = 118,899.01/x
  3. Step 3: Cross multiply
    329,261.14x = 493,867 × 118,899.01
  4. Step 4: Simplify right side
    329,261.14x = 58,720,297,371.67
  5. Step 5: Solve for x
    x = 58,720,297,371.67/329,261.14
  6. Step 6: Final answer
    x = 178,339.59

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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.