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Finding the Fourth Proportional to 248,888.47, 373,300.93 and 80,391.29

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Solution

The fourth proportional to 248,888.47, 373,300.93 and 80,391.29 is: 120,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,888.47 : 373,300.93 = 80,391.29 : x
  2. Step 2: Convert to fraction form
    248,888.47/373,300.93 = 80,391.29/x
  3. Step 3: Cross multiply
    248,888.47x = 373,300.93 × 80,391.29
  4. Step 4: Simplify right side
    248,888.47x = 30,010,142,918.94
  5. Step 5: Solve for x
    x = 30,010,142,918.94/248,888.47
  6. Step 6: Final answer
    x = 120,576.67

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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.