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Finding the Fourth Proportional to 108,101.66, 149,174.02 and 60,358.03

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Solution

The fourth proportional to 108,101.66, 149,174.02 and 60,358.03 is: 83,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,101.66 : 149,174.02 = 60,358.03 : x
  2. Step 2: Convert to fraction form
    108,101.66/149,174.02 = 60,358.03/x
  3. Step 3: Cross multiply
    108,101.66x = 149,174.02 × 60,358.03
  4. Step 4: Simplify right side
    108,101.66x = 9,003,848,926.72
  5. Step 5: Solve for x
    x = 9,003,848,926.72/108,101.66
  6. Step 6: Final answer
    x = 83,290.57

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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.