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Finding the Fourth Proportional to 101,096.10, 151,676.55 and 67,853.70

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Solution

The fourth proportional to 101,096.10, 151,676.55 and 67,853.70 is: 101,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,096.10 : 151,676.55 = 67,853.70 : x
  2. Step 2: Convert to fraction form
    101,096.10/151,676.55 = 67,853.70/x
  3. Step 3: Cross multiply
    101,096.10x = 151,676.55 × 67,853.70
  4. Step 4: Simplify right side
    101,096.10x = 10,291,815,120.74
  5. Step 5: Solve for x
    x = 10,291,815,120.74/101,096.10
  6. Step 6: Final answer
    x = 101,802.30

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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.