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Finding the Fourth Proportional to 111,962.54, 167,124.66 and 98,676.98

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Solution

The fourth proportional to 111,962.54, 167,124.66 and 98,676.98 is: 147,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,962.54 : 167,124.66 = 98,676.98 : x
  2. Step 2: Convert to fraction form
    111,962.54/167,124.66 = 98,676.98/x
  3. Step 3: Cross multiply
    111,962.54x = 167,124.66 × 98,676.98
  4. Step 4: Simplify right side
    111,962.54x = 16,491,356,732.33
  5. Step 5: Solve for x
    x = 16,491,356,732.33/111,962.54
  6. Step 6: Final answer
    x = 147,293.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.