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Finding the Fourth Proportional to 248,859.36, 343,416.03 and 146,917.67

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Solution

The fourth proportional to 248,859.36, 343,416.03 and 146,917.67 is: 202,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,859.36 : 343,416.03 = 146,917.67 : x
  2. Step 2: Convert to fraction form
    248,859.36/343,416.03 = 146,917.67/x
  3. Step 3: Cross multiply
    248,859.36x = 343,416.03 × 146,917.67
  4. Step 4: Simplify right side
    248,859.36x = 50,453,880,700.23
  5. Step 5: Solve for x
    x = 50,453,880,700.23/248,859.36
  6. Step 6: Final answer
    x = 202,740.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.