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Finding the Fourth Proportional to 180,343.67, 270,415.56 and 73,802.44

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Solution

The fourth proportional to 180,343.67, 270,415.56 and 73,802.44 is: 110,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,343.67 : 270,415.56 = 73,802.44 : x
  2. Step 2: Convert to fraction form
    180,343.67/270,415.56 = 73,802.44/x
  3. Step 3: Cross multiply
    180,343.67x = 270,415.56 × 73,802.44
  4. Step 4: Simplify right side
    180,343.67x = 19,957,328,756.75
  5. Step 5: Solve for x
    x = 19,957,328,756.75/180,343.67
  6. Step 6: Final answer
    x = 110,662.77

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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.