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Finding the Fourth Proportional to 203,973.59, 305,876.18 and 88,575.59

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Solution

The fourth proportional to 203,973.59, 305,876.18 and 88,575.59 is: 132,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,973.59 : 305,876.18 = 88,575.59 : x
  2. Step 2: Convert to fraction form
    203,973.59/305,876.18 = 88,575.59/x
  3. Step 3: Cross multiply
    203,973.59x = 305,876.18 × 88,575.59
  4. Step 4: Simplify right side
    203,973.59x = 27,093,164,096.58
  5. Step 5: Solve for x
    x = 27,093,164,096.58/203,973.59
  6. Step 6: Final answer
    x = 132,826.82

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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.