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Finding the Fourth Proportional to 230,677.26, 345,892.56 and 118,311.63

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Solution

The fourth proportional to 230,677.26, 345,892.56 and 118,311.63 is: 177,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,677.26 : 345,892.56 = 118,311.63 : x
  2. Step 2: Convert to fraction form
    230,677.26/345,892.56 = 118,311.63/x
  3. Step 3: Cross multiply
    230,677.26x = 345,892.56 × 118,311.63
  4. Step 4: Simplify right side
    230,677.26x = 40,923,112,578.47
  5. Step 5: Solve for x
    x = 40,923,112,578.47/230,677.26
  6. Step 6: Final answer
    x = 177,404.19

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1.5x scale

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.