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Finding the Fourth Proportional to 67,776.52, 101,692.64 and 29,806.25

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Solution

The fourth proportional to 67,776.52, 101,692.64 and 29,806.25 is: 44,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,776.52 : 101,692.64 = 29,806.25 : x
  2. Step 2: Convert to fraction form
    67,776.52/101,692.64 = 29,806.25/x
  3. Step 3: Cross multiply
    67,776.52x = 101,692.64 × 29,806.25
  4. Step 4: Simplify right side
    67,776.52x = 3,031,076,086.63
  5. Step 5: Solve for x
    x = 3,031,076,086.63/67,776.52
  6. Step 6: Final answer
    x = 44,721.63

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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.