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Finding the Fourth Proportional to 108,577.64, 149,843.30 and 60,846.36

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Solution

The fourth proportional to 108,577.64, 149,843.30 and 60,846.36 is: 83,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,577.64 : 149,843.30 = 60,846.36 : x
  2. Step 2: Convert to fraction form
    108,577.64/149,843.30 = 60,846.36/x
  3. Step 3: Cross multiply
    108,577.64x = 149,843.30 × 60,846.36
  4. Step 4: Simplify right side
    108,577.64x = 9,117,419,071.16
  5. Step 5: Solve for x
    x = 9,117,419,071.16/108,577.64
  6. Step 6: Final answer
    x = 83,971.43

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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.