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Finding the Fourth Proportional to 139,774.34, 209,486.48 and 110,074.88

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Solution

The fourth proportional to 139,774.34, 209,486.48 and 110,074.88 is: 164,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,774.34 : 209,486.48 = 110,074.88 : x
  2. Step 2: Convert to fraction form
    139,774.34/209,486.48 = 110,074.88/x
  3. Step 3: Cross multiply
    139,774.34x = 209,486.48 × 110,074.88
  4. Step 4: Simplify right side
    139,774.34x = 23,059,199,147.62
  5. Step 5: Solve for x
    x = 23,059,199,147.62/139,774.34
  6. Step 6: Final answer
    x = 164,974.48

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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.