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Finding the Fourth Proportional to 161,608.96, 222,943.80 and 104,999.68

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Solution

The fourth proportional to 161,608.96, 222,943.80 and 104,999.68 is: 144,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,608.96 : 222,943.80 = 104,999.68 : x
  2. Step 2: Convert to fraction form
    161,608.96/222,943.80 = 104,999.68/x
  3. Step 3: Cross multiply
    161,608.96x = 222,943.80 × 104,999.68
  4. Step 4: Simplify right side
    161,608.96x = 23,409,027,657.98
  5. Step 5: Solve for x
    x = 23,409,027,657.98/161,608.96
  6. Step 6: Final answer
    x = 144,849.81

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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.