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Finding the Fourth Proportional to 178,039.62, 245,694.65 and 97,466.89

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Solution

The fourth proportional to 178,039.62, 245,694.65 and 97,466.89 is: 134,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,039.62 : 245,694.65 = 97,466.89 : x
  2. Step 2: Convert to fraction form
    178,039.62/245,694.65 = 97,466.89/x
  3. Step 3: Cross multiply
    178,039.62x = 245,694.65 × 97,466.89
  4. Step 4: Simplify right side
    178,039.62x = 23,947,093,425.14
  5. Step 5: Solve for x
    x = 23,947,093,425.14/178,039.62
  6. Step 6: Final answer
    x = 134,504.30

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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.