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Finding the Fourth Proportional to 176,552.51, 264,474.18 and 81,649.67

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Solution

The fourth proportional to 176,552.51, 264,474.18 and 81,649.67 is: 122,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,552.51 : 264,474.18 = 81,649.67 : x
  2. Step 2: Convert to fraction form
    176,552.51/264,474.18 = 81,649.67/x
  3. Step 3: Cross multiply
    176,552.51x = 264,474.18 × 81,649.67
  4. Step 4: Simplify right side
    176,552.51x = 21,594,228,198.15
  5. Step 5: Solve for x
    x = 21,594,228,198.15/176,552.51
  6. Step 6: Final answer
    x = 122,310.52

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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.