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Finding the Fourth Proportional to 97,676.60, 146,519.70 and 51,020.60

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Solution

The fourth proportional to 97,676.60, 146,519.70 and 51,020.60 is: 76,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,676.60 : 146,519.70 = 51,020.60 : x
  2. Step 2: Convert to fraction form
    97,676.60/146,519.70 = 51,020.60/x
  3. Step 3: Cross multiply
    97,676.60x = 146,519.70 × 51,020.60
  4. Step 4: Simplify right side
    97,676.60x = 7,475,523,005.82
  5. Step 5: Solve for x
    x = 7,475,523,005.82/97,676.60
  6. Step 6: Final answer
    x = 76,533.41

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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.