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Finding the Fourth Proportional to 108,167.32, 149,271.42 and 60,422.68

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Solution

The fourth proportional to 108,167.32, 149,271.42 and 60,422.68 is: 83,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,167.32 : 149,271.42 = 60,422.68 : x
  2. Step 2: Convert to fraction form
    108,167.32/149,271.42 = 60,422.68/x
  3. Step 3: Cross multiply
    108,167.32x = 149,271.42 × 60,422.68
  4. Step 4: Simplify right side
    108,167.32x = 9,019,379,243.81
  5. Step 5: Solve for x
    x = 9,019,379,243.81/108,167.32
  6. Step 6: Final answer
    x = 83,383.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.