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Finding the Fourth Proportional to 178,858.34, 246,825.87 and 97,187.38

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Solution

The fourth proportional to 178,858.34, 246,825.87 and 97,187.38 is: 134,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,858.34 : 246,825.87 = 97,187.38 : x
  2. Step 2: Convert to fraction form
    178,858.34/246,825.87 = 97,187.38/x
  3. Step 3: Cross multiply
    178,858.34x = 246,825.87 × 97,187.38
  4. Step 4: Simplify right side
    178,858.34x = 23,988,358,640.00
  5. Step 5: Solve for x
    x = 23,988,358,640.00/178,858.34
  6. Step 6: Final answer
    x = 134,119.32

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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.