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Finding the Fourth Proportional to 79,706.29, 119,428.22 and 55,693.03

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Solution

The fourth proportional to 79,706.29, 119,428.22 and 55,693.03 is: 83,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706.29 : 119,428.22 = 55,693.03 : x
  2. Step 2: Convert to fraction form
    79,706.29/119,428.22 = 55,693.03/x
  3. Step 3: Cross multiply
    79,706.29x = 119,428.22 × 55,693.03
  4. Step 4: Simplify right side
    79,706.29x = 6,651,319,439.31
  5. Step 5: Solve for x
    x = 6,651,319,439.31/79,706.29
  6. Step 6: Final answer
    x = 83,447.86

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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.