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Finding the Fourth Proportional to 179,506.68, 269,259.18 and 53,147.69

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Solution

The fourth proportional to 179,506.68, 269,259.18 and 53,147.69 is: 79,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,506.68 : 269,259.18 = 53,147.69 : x
  2. Step 2: Convert to fraction form
    179,506.68/269,259.18 = 53,147.69/x
  3. Step 3: Cross multiply
    179,506.68x = 269,259.18 × 53,147.69
  4. Step 4: Simplify right side
    179,506.68x = 14,310,503,428.29
  5. Step 5: Solve for x
    x = 14,310,503,428.29/179,506.68
  6. Step 6: Final answer
    x = 79,721.29

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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.