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Finding the Fourth Proportional to 108,955.26, 150,354.78 and 60,556.95

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Solution

The fourth proportional to 108,955.26, 150,354.78 and 60,556.95 is: 83,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,955.26 : 150,354.78 = 60,556.95 : x
  2. Step 2: Convert to fraction form
    108,955.26/150,354.78 = 60,556.95/x
  3. Step 3: Cross multiply
    108,955.26x = 150,354.78 × 60,556.95
  4. Step 4: Simplify right side
    108,955.26x = 9,105,026,894.72
  5. Step 5: Solve for x
    x = 9,105,026,894.72/108,955.26
  6. Step 6: Final answer
    x = 83,566.66

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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.