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Finding the Fourth Proportional to 248,871.92, 343,496.88 and 146,859.44

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Solution

The fourth proportional to 248,871.92, 343,496.88 and 146,859.44 is: 202,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,871.92 : 343,496.88 = 146,859.44 : x
  2. Step 2: Convert to fraction form
    248,871.92/343,496.88 = 146,859.44/x
  3. Step 3: Cross multiply
    248,871.92x = 343,496.88 × 146,859.44
  4. Step 4: Simplify right side
    248,871.92x = 50,445,759,438.55
  5. Step 5: Solve for x
    x = 50,445,759,438.55/248,871.92
  6. Step 6: Final answer
    x = 202,697.67

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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.