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Finding the Fourth Proportional to 212,107.62, 292,709.52 and 116,620.50

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Solution

The fourth proportional to 212,107.62, 292,709.52 and 116,620.50 is: 160,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,107.62 : 292,709.52 = 116,620.50 : x
  2. Step 2: Convert to fraction form
    212,107.62/292,709.52 = 116,620.50/x
  3. Step 3: Cross multiply
    212,107.62x = 292,709.52 × 116,620.50
  4. Step 4: Simplify right side
    212,107.62x = 34,135,930,577.16
  5. Step 5: Solve for x
    x = 34,135,930,577.16/212,107.62
  6. Step 6: Final answer
    x = 160,936.84

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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.