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Finding the Fourth Proportional to 176,408.80, 263,965.20 and 129,752.80

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Solution

The fourth proportional to 176,408.80, 263,965.20 and 129,752.80 is: 194,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,408.80 : 263,965.20 = 129,752.80 : x
  2. Step 2: Convert to fraction form
    176,408.80/263,965.20 = 129,752.80/x
  3. Step 3: Cross multiply
    176,408.80x = 263,965.20 × 129,752.80
  4. Step 4: Simplify right side
    176,408.80x = 34,250,223,802.56
  5. Step 5: Solve for x
    x = 34,250,223,802.56/176,408.80
  6. Step 6: Final answer
    x = 194,152.58

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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.