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Finding the Fourth Proportional to 92,692.49, 127,922.19 and 52,406.63

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Solution

The fourth proportional to 92,692.49, 127,922.19 and 52,406.63 is: 72,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,692.49 : 127,922.19 = 52,406.63 : x
  2. Step 2: Convert to fraction form
    92,692.49/127,922.19 = 52,406.63/x
  3. Step 3: Cross multiply
    92,692.49x = 127,922.19 × 52,406.63
  4. Step 4: Simplify right side
    92,692.49x = 6,703,970,523.69
  5. Step 5: Solve for x
    x = 6,703,970,523.69/92,692.49
  6. Step 6: Final answer
    x = 72,324.85

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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.