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Finding the Fourth Proportional to 79,842.85, 119,657.88 and 37,734.12

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Solution

The fourth proportional to 79,842.85, 119,657.88 and 37,734.12 is: 56,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,842.85 : 119,657.88 = 37,734.12 : x
  2. Step 2: Convert to fraction form
    79,842.85/119,657.88 = 37,734.12/x
  3. Step 3: Cross multiply
    79,842.85x = 119,657.88 × 37,734.12
  4. Step 4: Simplify right side
    79,842.85x = 4,515,184,802.87
  5. Step 5: Solve for x
    x = 4,515,184,802.87/79,842.85
  6. Step 6: Final answer
    x = 56,550.90

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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.