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Finding the Fourth Proportional to 108,608.64, 149,883.96 and 60,860.22

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Solution

The fourth proportional to 108,608.64, 149,883.96 and 60,860.22 is: 83,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,608.64 : 149,883.96 = 60,860.22 : x
  2. Step 2: Convert to fraction form
    108,608.64/149,883.96 = 60,860.22/x
  3. Step 3: Cross multiply
    108,608.64x = 149,883.96 × 60,860.22
  4. Step 4: Simplify right side
    108,608.64x = 9,121,970,780.07
  5. Step 5: Solve for x
    x = 9,121,970,780.07/108,608.64
  6. Step 6: Final answer
    x = 83,989.37

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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.