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Finding the Fourth Proportional to 103,798.56, 155,692.08 and 92,244

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Solution

The fourth proportional to 103,798.56, 155,692.08 and 92,244 is: 138,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,798.56 : 155,692.08 = 92,244 : x
  2. Step 2: Convert to fraction form
    103,798.56/155,692.08 = 92,244/x
  3. Step 3: Cross multiply
    103,798.56x = 155,692.08 × 92,244
  4. Step 4: Simplify right side
    103,798.56x = 14,361,660,227.52
  5. Step 5: Solve for x
    x = 14,361,660,227.52/103,798.56
  6. Step 6: Final answer
    x = 138,360.88

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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.