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Finding the Fourth Proportional to 176,422.82, 264,550.82 and 68,402.72

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Solution

The fourth proportional to 176,422.82, 264,550.82 and 68,402.72 is: 102,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,422.82 : 264,550.82 = 68,402.72 : x
  2. Step 2: Convert to fraction form
    176,422.82/264,550.82 = 68,402.72/x
  3. Step 3: Cross multiply
    176,422.82x = 264,550.82 × 68,402.72
  4. Step 4: Simplify right side
    176,422.82x = 18,095,995,985.59
  5. Step 5: Solve for x
    x = 18,095,995,985.59/176,422.82
  6. Step 6: Final answer
    x = 102,571.74

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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.