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Finding the Fourth Proportional to 116,956.94, 161,400.46 and 63,241.83

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Solution

The fourth proportional to 116,956.94, 161,400.46 and 63,241.83 is: 87,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,956.94 : 161,400.46 = 63,241.83 : x
  2. Step 2: Convert to fraction form
    116,956.94/161,400.46 = 63,241.83/x
  3. Step 3: Cross multiply
    116,956.94x = 161,400.46 × 63,241.83
  4. Step 4: Simplify right side
    116,956.94x = 10,207,259,330.03
  5. Step 5: Solve for x
    x = 10,207,259,330.03/116,956.94
  6. Step 6: Final answer
    x = 87,273.65

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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.