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Finding the Fourth Proportional to 215,692.48, 297,651.56 and 117,576.56

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Solution

The fourth proportional to 215,692.48, 297,651.56 and 117,576.56 is: 162,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,692.48 : 297,651.56 = 117,576.56 : x
  2. Step 2: Convert to fraction form
    215,692.48/297,651.56 = 117,576.56/x
  3. Step 3: Cross multiply
    215,692.48x = 297,651.56 × 117,576.56
  4. Step 4: Simplify right side
    215,692.48x = 34,996,846,503.43
  5. Step 5: Solve for x
    x = 34,996,846,503.43/215,692.48
  6. Step 6: Final answer
    x = 162,253.44

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1.5x scale

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.