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Finding the Fourth Proportional to 130,047.30, 195,099.30 and 73,914.30

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Solution

The fourth proportional to 130,047.30, 195,099.30 and 73,914.30 is: 110,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,047.30 : 195,099.30 = 73,914.30 : x
  2. Step 2: Convert to fraction form
    130,047.30/195,099.30 = 73,914.30/x
  3. Step 3: Cross multiply
    130,047.30x = 195,099.30 × 73,914.30
  4. Step 4: Simplify right side
    130,047.30x = 14,420,628,189.99
  5. Step 5: Solve for x
    x = 14,420,628,189.99/130,047.30
  6. Step 6: Final answer
    x = 110,887.56

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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.