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Finding the Fourth Proportional to 178,194.87, 245,915.10 and 97,629.39

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Solution

The fourth proportional to 178,194.87, 245,915.10 and 97,629.39 is: 134,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,194.87 : 245,915.10 = 97,629.39 : x
  2. Step 2: Convert to fraction form
    178,194.87/245,915.10 = 97,629.39/x
  3. Step 3: Cross multiply
    178,194.87x = 245,915.10 × 97,629.39
  4. Step 4: Simplify right side
    178,194.87x = 24,008,541,204.79
  5. Step 5: Solve for x
    x = 24,008,541,204.79/178,194.87
  6. Step 6: Final answer
    x = 134,731.94

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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.