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Finding the Fourth Proportional to 189,043.43, 283,620.51 and 55,927.26

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Solution

The fourth proportional to 189,043.43, 283,620.51 and 55,927.26 is: 83,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,043.43 : 283,620.51 = 55,927.26 : x
  2. Step 2: Convert to fraction form
    189,043.43/283,620.51 = 55,927.26/x
  3. Step 3: Cross multiply
    189,043.43x = 283,620.51 × 55,927.26
  4. Step 4: Simplify right side
    189,043.43x = 15,862,118,004.10
  5. Step 5: Solve for x
    x = 15,862,118,004.10/189,043.43
  6. Step 6: Final answer
    x = 83,907.27

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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.