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Finding the Fourth Proportional to 235,659.48, 353,692.94 and 123,418.23

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Solution

The fourth proportional to 235,659.48, 353,692.94 and 123,418.23 is: 185,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,659.48 : 353,692.94 = 123,418.23 : x
  2. Step 2: Convert to fraction form
    235,659.48/353,692.94 = 123,418.23/x
  3. Step 3: Cross multiply
    235,659.48x = 353,692.94 × 123,418.23
  4. Step 4: Simplify right side
    235,659.48x = 43,652,156,001.21
  5. Step 5: Solve for x
    x = 43,652,156,001.21/235,659.48
  6. Step 6: Final answer
    x = 185,234.03

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1.5x scale

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.