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Finding the Fourth Proportional to 252,704.22, 348,734.43 and 139,526.70

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Solution

The fourth proportional to 252,704.22, 348,734.43 and 139,526.70 is: 192,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,704.22 : 348,734.43 = 139,526.70 : x
  2. Step 2: Convert to fraction form
    252,704.22/348,734.43 = 139,526.70/x
  3. Step 3: Cross multiply
    252,704.22x = 348,734.43 × 139,526.70
  4. Step 4: Simplify right side
    252,704.22x = 48,657,764,194.28
  5. Step 5: Solve for x
    x = 48,657,764,194.28/252,704.22
  6. Step 6: Final answer
    x = 192,548.29

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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.