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Finding the Fourth Proportional to 215,090.12, 296,831.22 and 119,600.84

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Solution

The fourth proportional to 215,090.12, 296,831.22 and 119,600.84 is: 165,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,090.12 : 296,831.22 = 119,600.84 : x
  2. Step 2: Convert to fraction form
    215,090.12/296,831.22 = 119,600.84/x
  3. Step 3: Cross multiply
    215,090.12x = 296,831.22 × 119,600.84
  4. Step 4: Simplify right side
    215,090.12x = 35,501,263,250.22
  5. Step 5: Solve for x
    x = 35,501,263,250.22/215,090.12
  6. Step 6: Final answer
    x = 165,052.97

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