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Finding the Fourth Proportional to 108,726, 150,048.08 and 60,975.55

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Solution

The fourth proportional to 108,726, 150,048.08 and 60,975.55 is: 84,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,726 : 150,048.08 = 60,975.55 : x
  2. Step 2: Convert to fraction form
    108,726/150,048.08 = 60,975.55/x
  3. Step 3: Cross multiply
    108,726x = 150,048.08 × 60,975.55
  4. Step 4: Simplify right side
    108,726x = 9,149,264,204.44
  5. Step 5: Solve for x
    x = 9,149,264,204.44/108,726
  6. Step 6: Final answer
    x = 84,149.74

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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.