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Finding the Fourth Proportional to 168,692.70, 252,877.05 and 97,542.30

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Solution

The fourth proportional to 168,692.70, 252,877.05 and 97,542.30 is: 146,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,692.70 : 252,877.05 = 97,542.30 : x
  2. Step 2: Convert to fraction form
    168,692.70/252,877.05 = 97,542.30/x
  3. Step 3: Cross multiply
    168,692.70x = 252,877.05 × 97,542.30
  4. Step 4: Simplify right side
    168,692.70x = 24,666,209,074.22
  5. Step 5: Solve for x
    x = 24,666,209,074.22/168,692.70
  6. Step 6: Final answer
    x = 146,219.78

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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.