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Finding the Fourth Proportional to 160,997.76, 222,220.80 and 104,405.76

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Solution

The fourth proportional to 160,997.76, 222,220.80 and 104,405.76 is: 144,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,997.76 : 222,220.80 = 104,405.76 : x
  2. Step 2: Convert to fraction form
    160,997.76/222,220.80 = 104,405.76/x
  3. Step 3: Cross multiply
    160,997.76x = 222,220.80 × 104,405.76
  4. Step 4: Simplify right side
    160,997.76x = 23,201,131,511.81
  5. Step 5: Solve for x
    x = 23,201,131,511.81/160,997.76
  6. Step 6: Final answer
    x = 144,108.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.