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Finding the Fourth Proportional to 108,083.67, 149,157.99 and 67,799.13

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Solution

The fourth proportional to 108,083.67, 149,157.99 and 67,799.13 is: 93,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,083.67 : 149,157.99 = 67,799.13 : x
  2. Step 2: Convert to fraction form
    108,083.67/149,157.99 = 67,799.13/x
  3. Step 3: Cross multiply
    108,083.67x = 149,157.99 × 67,799.13
  4. Step 4: Simplify right side
    108,083.67x = 10,112,781,954.55
  5. Step 5: Solve for x
    x = 10,112,781,954.55/108,083.67
  6. Step 6: Final answer
    x = 93,564.38

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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.