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Finding the Fourth Proportional to 536,201.80, 804,302.24 and 136,842.55

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Solution

The fourth proportional to 536,201.80, 804,302.24 and 136,842.55 is: 205,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,201.80 : 804,302.24 = 136,842.55 : x
  2. Step 2: Convert to fraction form
    536,201.80/804,302.24 = 136,842.55/x
  3. Step 3: Cross multiply
    536,201.80x = 804,302.24 × 136,842.55
  4. Step 4: Simplify right side
    536,201.80x = 110,062,766,797.34
  5. Step 5: Solve for x
    x = 110,062,766,797.34/536,201.80
  6. Step 6: Final answer
    x = 205,263.70

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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.