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Finding the Fourth Proportional to 248,452.80, 372,564.48 and 79,941.76

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Solution

The fourth proportional to 248,452.80, 372,564.48 and 79,941.76 is: 119,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,452.80 : 372,564.48 = 79,941.76 : x
  2. Step 2: Convert to fraction form
    248,452.80/372,564.48 = 79,941.76/x
  3. Step 3: Cross multiply
    248,452.80x = 372,564.48 × 79,941.76
  4. Step 4: Simplify right side
    248,452.80x = 29,783,460,244.68
  5. Step 5: Solve for x
    x = 29,783,460,244.68/248,452.80
  6. Step 6: Final answer
    x = 119,875.73

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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.