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Finding the Fourth Proportional to 194,765.03, 291,971.21 and 76,404.59

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Solution

The fourth proportional to 194,765.03, 291,971.21 and 76,404.59 is: 114,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,765.03 : 291,971.21 = 76,404.59 : x
  2. Step 2: Convert to fraction form
    194,765.03/291,971.21 = 76,404.59/x
  3. Step 3: Cross multiply
    194,765.03x = 291,971.21 × 76,404.59
  4. Step 4: Simplify right side
    194,765.03x = 22,307,939,323.01
  5. Step 5: Solve for x
    x = 22,307,939,323.01/194,765.03
  6. Step 6: Final answer
    x = 114,537.71

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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.