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Finding the Fourth Proportional to 67,805.12, 101,770.24 and 34,548.96

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Solution

The fourth proportional to 67,805.12, 101,770.24 and 34,548.96 is: 51,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,805.12 : 101,770.24 = 34,548.96 : x
  2. Step 2: Convert to fraction form
    67,805.12/101,770.24 = 34,548.96/x
  3. Step 3: Cross multiply
    67,805.12x = 101,770.24 × 34,548.96
  4. Step 4: Simplify right side
    67,805.12x = 3,516,055,950.95
  5. Step 5: Solve for x
    x = 3,516,055,950.95/67,805.12
  6. Step 6: Final answer
    x = 51,855.32

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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.