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Finding the Fourth Proportional to 183,590.68, 253,380.35 and 103,022.96

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Solution

The fourth proportional to 183,590.68, 253,380.35 and 103,022.96 is: 142,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,590.68 : 253,380.35 = 103,022.96 : x
  2. Step 2: Convert to fraction form
    183,590.68/253,380.35 = 103,022.96/x
  3. Step 3: Cross multiply
    183,590.68x = 253,380.35 × 103,022.96
  4. Step 4: Simplify right side
    183,590.68x = 26,103,994,791.39
  5. Step 5: Solve for x
    x = 26,103,994,791.39/183,590.68
  6. Step 6: Final answer
    x = 142,185.84

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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.