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Finding the Fourth Proportional to 108,504.12, 149,741.86 and 60,757.05

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Solution

The fourth proportional to 108,504.12, 149,741.86 and 60,757.05 is: 83,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,504.12 : 149,741.86 = 60,757.05 : x
  2. Step 2: Convert to fraction form
    108,504.12/149,741.86 = 60,757.05/x
  3. Step 3: Cross multiply
    108,504.12x = 149,741.86 × 60,757.05
  4. Step 4: Simplify right side
    108,504.12x = 9,097,873,675.11
  5. Step 5: Solve for x
    x = 9,097,873,675.11/108,504.12
  6. Step 6: Final answer
    x = 83,848.19

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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.