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Finding the Fourth Proportional to 176,344.63, 264,481.57 and 86,348.58

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Solution

The fourth proportional to 176,344.63, 264,481.57 and 86,348.58 is: 129,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,344.63 : 264,481.57 = 86,348.58 : x
  2. Step 2: Convert to fraction form
    176,344.63/264,481.57 = 86,348.58/x
  3. Step 3: Cross multiply
    176,344.63x = 264,481.57 × 86,348.58
  4. Step 4: Simplify right side
    176,344.63x = 22,837,608,005.67
  5. Step 5: Solve for x
    x = 22,837,608,005.67/176,344.63
  6. Step 6: Final answer
    x = 129,505.55

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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.