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Finding the Fourth Proportional to 226,692.62, 312,835.83 and 124,715.90

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Solution

The fourth proportional to 226,692.62, 312,835.83 and 124,715.90 is: 172,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,692.62 : 312,835.83 = 124,715.90 : x
  2. Step 2: Convert to fraction form
    226,692.62/312,835.83 = 124,715.90/x
  3. Step 3: Cross multiply
    226,692.62x = 312,835.83 × 124,715.90
  4. Step 4: Simplify right side
    226,692.62x = 39,015,602,090.70
  5. Step 5: Solve for x
    x = 39,015,602,090.70/226,692.62
  6. Step 6: Final answer
    x = 172,107.95

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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.