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Finding the Fourth Proportional to 116,243.98, 174,452.64 and 45,177.82

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Solution

The fourth proportional to 116,243.98, 174,452.64 and 45,177.82 is: 67,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,243.98 : 174,452.64 = 45,177.82 : x
  2. Step 2: Convert to fraction form
    116,243.98/174,452.64 = 45,177.82/x
  3. Step 3: Cross multiply
    116,243.98x = 174,452.64 × 45,177.82
  4. Step 4: Simplify right side
    116,243.98x = 7,881,389,968.44
  5. Step 5: Solve for x
    x = 7,881,389,968.44/116,243.98
  6. Step 6: Final answer
    x = 67,800.41

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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.