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Finding the Fourth Proportional to 183,612.42, 253,380.87 and 103,037.87

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Solution

The fourth proportional to 183,612.42, 253,380.87 and 103,037.87 is: 142,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,612.42 : 253,380.87 = 103,037.87 : x
  2. Step 2: Convert to fraction form
    183,612.42/253,380.87 = 103,037.87/x
  3. Step 3: Cross multiply
    183,612.42x = 253,380.87 × 103,037.87
  4. Step 4: Simplify right side
    183,612.42x = 26,107,825,777.00
  5. Step 5: Solve for x
    x = 26,107,825,777.00/183,612.42
  6. Step 6: Final answer
    x = 142,189.87

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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.