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Finding the Fourth Proportional to 101,099.10, 151,709.40 and 41,928.60

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Solution

The fourth proportional to 101,099.10, 151,709.40 and 41,928.60 is: 62,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,099.10 : 151,709.40 = 41,928.60 : x
  2. Step 2: Convert to fraction form
    101,099.10/151,709.40 = 41,928.60/x
  3. Step 3: Cross multiply
    101,099.10x = 151,709.40 × 41,928.60
  4. Step 4: Simplify right side
    101,099.10x = 6,360,962,748.84
  5. Step 5: Solve for x
    x = 6,360,962,748.84/101,099.10
  6. Step 6: Final answer
    x = 62,918.09

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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.