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Finding the Fourth Proportional to 74,407.56, 111,615.56 and 23,811.04

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Solution

The fourth proportional to 74,407.56, 111,615.56 and 23,811.04 is: 35,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,407.56 : 111,615.56 = 23,811.04 : x
  2. Step 2: Convert to fraction form
    74,407.56/111,615.56 = 23,811.04/x
  3. Step 3: Cross multiply
    74,407.56x = 111,615.56 × 23,811.04
  4. Step 4: Simplify right side
    74,407.56x = 2,657,682,563.78
  5. Step 5: Solve for x
    x = 2,657,682,563.78/74,407.56
  6. Step 6: Final answer
    x = 35,717.91

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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.