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Finding the Fourth Proportional to 119,170, 178,755 and 44,308.99

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Solution

The fourth proportional to 119,170, 178,755 and 44,308.99 is: 66,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,170 : 178,755 = 44,308.99 : x
  2. Step 2: Convert to fraction form
    119,170/178,755 = 44,308.99/x
  3. Step 3: Cross multiply
    119,170x = 178,755 × 44,308.99
  4. Step 4: Simplify right side
    119,170x = 7,920,453,507.45
  5. Step 5: Solve for x
    x = 7,920,453,507.45/119,170
  6. Step 6: Final answer
    x = 66,463.49

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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.