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Finding the Fourth Proportional to 79,095.50, 118,659.12 and 29,175.88

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Solution

The fourth proportional to 79,095.50, 118,659.12 and 29,175.88 is: 43,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,095.50 : 118,659.12 = 29,175.88 : x
  2. Step 2: Convert to fraction form
    79,095.50/118,659.12 = 29,175.88/x
  3. Step 3: Cross multiply
    79,095.50x = 118,659.12 × 29,175.88
  4. Step 4: Simplify right side
    79,095.50x = 3,461,984,246.03
  5. Step 5: Solve for x
    x = 3,461,984,246.03/79,095.50
  6. Step 6: Final answer
    x = 43,769.67

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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.