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Finding the Fourth Proportional to 367,245.12, 550,685.76 and 130,552.32

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Solution

The fourth proportional to 367,245.12, 550,685.76 and 130,552.32 is: 195,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,245.12 : 550,685.76 = 130,552.32 : x
  2. Step 2: Convert to fraction form
    367,245.12/550,685.76 = 130,552.32/x
  3. Step 3: Cross multiply
    367,245.12x = 550,685.76 × 130,552.32
  4. Step 4: Simplify right side
    367,245.12x = 71,893,303,558.96
  5. Step 5: Solve for x
    x = 71,893,303,558.96/367,245.12
  6. Step 6: Final answer
    x = 195,763.81

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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.