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Finding the Fourth Proportional to 79,745.32, 119,528.58 and 32,349.40

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Solution

The fourth proportional to 79,745.32, 119,528.58 and 32,349.40 is: 48,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,745.32 : 119,528.58 = 32,349.40 : x
  2. Step 2: Convert to fraction form
    79,745.32/119,528.58 = 32,349.40/x
  3. Step 3: Cross multiply
    79,745.32x = 119,528.58 × 32,349.40
  4. Step 4: Simplify right side
    79,745.32x = 3,866,677,845.85
  5. Step 5: Solve for x
    x = 3,866,677,845.85/79,745.32
  6. Step 6: Final answer
    x = 48,487.83

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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.