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Finding the Fourth Proportional to 183,704.51, 253,494.73 and 103,113.56

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Solution

The fourth proportional to 183,704.51, 253,494.73 and 103,113.56 is: 142,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,704.51 : 253,494.73 = 103,113.56 : x
  2. Step 2: Convert to fraction form
    183,704.51/253,494.73 = 103,113.56/x
  3. Step 3: Cross multiply
    183,704.51x = 253,494.73 × 103,113.56
  4. Step 4: Simplify right side
    183,704.51x = 26,138,744,814.17
  5. Step 5: Solve for x
    x = 26,138,744,814.17/183,704.51
  6. Step 6: Final answer
    x = 142,286.90

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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.