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Finding the Fourth Proportional to 130,993.56, 196,325.93 and 56,025.56

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Solution

The fourth proportional to 130,993.56, 196,325.93 and 56,025.56 is: 83,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,993.56 : 196,325.93 = 56,025.56 : x
  2. Step 2: Convert to fraction form
    130,993.56/196,325.93 = 56,025.56/x
  3. Step 3: Cross multiply
    130,993.56x = 196,325.93 × 56,025.56
  4. Step 4: Simplify right side
    130,993.56x = 10,999,270,801.65
  5. Step 5: Solve for x
    x = 10,999,270,801.65/130,993.56
  6. Step 6: Final answer
    x = 83,968.03

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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.