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Finding the Fourth Proportional to 167,284.72, 230,961 and 103,690

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Solution

The fourth proportional to 167,284.72, 230,961 and 103,690 is: 143,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,284.72 : 230,961 = 103,690 : x
  2. Step 2: Convert to fraction form
    167,284.72/230,961 = 103,690/x
  3. Step 3: Cross multiply
    167,284.72x = 230,961 × 103,690
  4. Step 4: Simplify right side
    167,284.72x = 23,948,346,090
  5. Step 5: Solve for x
    x = 23,948,346,090/167,284.72
  6. Step 6: Final answer
    x = 143,159.20

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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.