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Finding the Fourth Proportional to 133,915.58, 200,885.16 and 49,676.66

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Solution

The fourth proportional to 133,915.58, 200,885.16 and 49,676.66 is: 74,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,915.58 : 200,885.16 = 49,676.66 : x
  2. Step 2: Convert to fraction form
    133,915.58/200,885.16 = 49,676.66/x
  3. Step 3: Cross multiply
    133,915.58x = 200,885.16 × 49,676.66
  4. Step 4: Simplify right side
    133,915.58x = 9,979,303,792.37
  5. Step 5: Solve for x
    x = 9,979,303,792.37/133,915.58
  6. Step 6: Final answer
    x = 74,519.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.