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Finding the Fourth Proportional to 173,091.56, 238,863.14 and 97,640.04

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Solution

The fourth proportional to 173,091.56, 238,863.14 and 97,640.04 is: 134,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,091.56 : 238,863.14 = 97,640.04 : x
  2. Step 2: Convert to fraction form
    173,091.56/238,863.14 = 97,640.04/x
  3. Step 3: Cross multiply
    173,091.56x = 238,863.14 × 97,640.04
  4. Step 4: Simplify right side
    173,091.56x = 23,322,606,544.13
  5. Step 5: Solve for x
    x = 23,322,606,544.13/173,091.56
  6. Step 6: Final answer
    x = 134,741.44

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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.