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Finding the Fourth Proportional to 189,575.88, 284,137.62 and 88,237.56

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Solution

The fourth proportional to 189,575.88, 284,137.62 and 88,237.56 is: 132,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,575.88 : 284,137.62 = 88,237.56 : x
  2. Step 2: Convert to fraction form
    189,575.88/284,137.62 = 88,237.56/x
  3. Step 3: Cross multiply
    189,575.88x = 284,137.62 × 88,237.56
  4. Step 4: Simplify right side
    189,575.88x = 25,071,610,293.01
  5. Step 5: Solve for x
    x = 25,071,610,293.01/189,575.88
  6. Step 6: Final answer
    x = 132,251.06

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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.