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Finding the Fourth Proportional to 116,989.89, 175,503.19 and 50,448.93

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Solution

The fourth proportional to 116,989.89, 175,503.19 and 50,448.93 is: 75,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,989.89 : 175,503.19 = 50,448.93 : x
  2. Step 2: Convert to fraction form
    116,989.89/175,503.19 = 50,448.93/x
  3. Step 3: Cross multiply
    116,989.89x = 175,503.19 × 50,448.93
  4. Step 4: Simplify right side
    116,989.89x = 8,853,948,147.09
  5. Step 5: Solve for x
    x = 8,853,948,147.09/116,989.89
  6. Step 6: Final answer
    x = 75,681.31

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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.