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Finding the Fourth Proportional to 104,407.22, 144,010.60 and 66,664.46

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Solution

The fourth proportional to 104,407.22, 144,010.60 and 66,664.46 is: 91,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,407.22 : 144,010.60 = 66,664.46 : x
  2. Step 2: Convert to fraction form
    104,407.22/144,010.60 = 66,664.46/x
  3. Step 3: Cross multiply
    104,407.22x = 144,010.60 × 66,664.46
  4. Step 4: Simplify right side
    104,407.22x = 9,600,388,883.28
  5. Step 5: Solve for x
    x = 9,600,388,883.28/104,407.22
  6. Step 6: Final answer
    x = 91,951.39

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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.