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Finding the Fourth Proportional to 108,673.62, 149,960.90 and 60,920.48

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Solution

The fourth proportional to 108,673.62, 149,960.90 and 60,920.48 is: 84,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,673.62 : 149,960.90 = 60,920.48 : x
  2. Step 2: Convert to fraction form
    108,673.62/149,960.90 = 60,920.48/x
  3. Step 3: Cross multiply
    108,673.62x = 149,960.90 × 60,920.48
  4. Step 4: Simplify right side
    108,673.62x = 9,135,690,009.23
  5. Step 5: Solve for x
    x = 9,135,690,009.23/108,673.62
  6. Step 6: Final answer
    x = 84,065.39

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1.5x scale

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.