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Finding the Fourth Proportional to 79,357.94, 118,978.50 and 37,834.10

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Solution

The fourth proportional to 79,357.94, 118,978.50 and 37,834.10 is: 56,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,357.94 : 118,978.50 = 37,834.10 : x
  2. Step 2: Convert to fraction form
    79,357.94/118,978.50 = 37,834.10/x
  3. Step 3: Cross multiply
    79,357.94x = 118,978.50 × 37,834.10
  4. Step 4: Simplify right side
    79,357.94x = 4,501,444,466.85
  5. Step 5: Solve for x
    x = 4,501,444,466.85/79,357.94
  6. Step 6: Final answer
    x = 56,723.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.