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Finding the Fourth Proportional to 179,756.96, 269,689.30 and 53,401.41

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Solution

The fourth proportional to 179,756.96, 269,689.30 and 53,401.41 is: 80,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,756.96 : 269,689.30 = 53,401.41 : x
  2. Step 2: Convert to fraction form
    179,756.96/269,689.30 = 53,401.41/x
  3. Step 3: Cross multiply
    179,756.96x = 269,689.30 × 53,401.41
  4. Step 4: Simplify right side
    179,756.96x = 14,401,788,748.41
  5. Step 5: Solve for x
    x = 14,401,788,748.41/179,756.96
  6. Step 6: Final answer
    x = 80,118.12

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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.