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Finding the Fourth Proportional to 115,375.70, 173,063.56 and 48,798.56

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Solution

The fourth proportional to 115,375.70, 173,063.56 and 48,798.56 is: 73,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,375.70 : 173,063.56 = 48,798.56 : x
  2. Step 2: Convert to fraction form
    115,375.70/173,063.56 = 48,798.56/x
  3. Step 3: Cross multiply
    115,375.70x = 173,063.56 × 48,798.56
  4. Step 4: Simplify right side
    115,375.70x = 8,445,252,516.47
  5. Step 5: Solve for x
    x = 8,445,252,516.47/115,375.70
  6. Step 6: Final answer
    x = 73,197.84

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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.