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Finding the Fourth Proportional to 116,609.89, 174,914.24 and 45,539.75

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Solution

The fourth proportional to 116,609.89, 174,914.24 and 45,539.75 is: 68,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,609.89 : 174,914.24 = 45,539.75 : x
  2. Step 2: Convert to fraction form
    116,609.89/174,914.24 = 45,539.75/x
  3. Step 3: Cross multiply
    116,609.89x = 174,914.24 × 45,539.75
  4. Step 4: Simplify right side
    116,609.89x = 7,965,549,744.16
  5. Step 5: Solve for x
    x = 7,965,549,744.16/116,609.89
  6. Step 6: Final answer
    x = 68,309.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.