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Finding the Fourth Proportional to 183,692.66, 253,478.54 and 103,104.44

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Solution

The fourth proportional to 183,692.66, 253,478.54 and 103,104.44 is: 142,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,692.66 : 253,478.54 = 103,104.44 : x
  2. Step 2: Convert to fraction form
    183,692.66/253,478.54 = 103,104.44/x
  3. Step 3: Cross multiply
    183,692.66x = 253,478.54 × 103,104.44
  4. Step 4: Simplify right side
    183,692.66x = 26,134,763,995.47
  5. Step 5: Solve for x
    x = 26,134,763,995.47/183,692.66
  6. Step 6: Final answer
    x = 142,274.41

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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.