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Finding the Fourth Proportional to 116,059.44, 174,147.48 and 86,536.56

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Solution

The fourth proportional to 116,059.44, 174,147.48 and 86,536.56 is: 129,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,059.44 : 174,147.48 = 86,536.56 : x
  2. Step 2: Convert to fraction form
    116,059.44/174,147.48 = 86,536.56/x
  3. Step 3: Cross multiply
    116,059.44x = 174,147.48 × 86,536.56
  4. Step 4: Simplify right side
    116,059.44x = 15,070,123,851.87
  5. Step 5: Solve for x
    x = 15,070,123,851.87/116,059.44
  6. Step 6: Final answer
    x = 129,848.32

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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.