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Finding the Fourth Proportional to 493,089.72, 739,634.58 and 119,112.72

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Solution

The fourth proportional to 493,089.72, 739,634.58 and 119,112.72 is: 178,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,089.72 : 739,634.58 = 119,112.72 : x
  2. Step 2: Convert to fraction form
    493,089.72/739,634.58 = 119,112.72/x
  3. Step 3: Cross multiply
    493,089.72x = 739,634.58 × 119,112.72
  4. Step 4: Simplify right side
    493,089.72x = 88,099,886,629.86
  5. Step 5: Solve for x
    x = 88,099,886,629.86/493,089.72
  6. Step 6: Final answer
    x = 178,669.08

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Similar ratio
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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.