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Finding the Fourth Proportional to 67,269.34, 100,851.65 and 43,526.72

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Solution

The fourth proportional to 67,269.34, 100,851.65 and 43,526.72 is: 65,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,269.34 : 100,851.65 = 43,526.72 : x
  2. Step 2: Convert to fraction form
    67,269.34/100,851.65 = 43,526.72/x
  3. Step 3: Cross multiply
    67,269.34x = 100,851.65 × 43,526.72
  4. Step 4: Simplify right side
    67,269.34x = 4,389,741,531.09
  5. Step 5: Solve for x
    x = 4,389,741,531.09/67,269.34
  6. Step 6: Final answer
    x = 65,256.20

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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.