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Finding the Fourth Proportional to 176,486.40, 264,672.72 and 58,129.56

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Solution

The fourth proportional to 176,486.40, 264,672.72 and 58,129.56 is: 87,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,486.40 : 264,672.72 = 58,129.56 : x
  2. Step 2: Convert to fraction form
    176,486.40/264,672.72 = 58,129.56/x
  3. Step 3: Cross multiply
    176,486.40x = 264,672.72 × 58,129.56
  4. Step 4: Simplify right side
    176,486.40x = 15,385,308,757.60
  5. Step 5: Solve for x
    x = 15,385,308,757.60/176,486.40
  6. Step 6: Final answer
    x = 87,175.61

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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.