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Finding the Fourth Proportional to 108,954.89, 150,354.26 and 60,556.58

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Solution

The fourth proportional to 108,954.89, 150,354.26 and 60,556.58 is: 83,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,954.89 : 150,354.26 = 60,556.58 : x
  2. Step 2: Convert to fraction form
    108,954.89/150,354.26 = 60,556.58/x
  3. Step 3: Cross multiply
    108,954.89x = 150,354.26 × 60,556.58
  4. Step 4: Simplify right side
    108,954.89x = 9,104,939,510.39
  5. Step 5: Solve for x
    x = 9,104,939,510.39/108,954.89
  6. Step 6: Final answer
    x = 83,566.14

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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.