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Finding the Fourth Proportional to 176,879.70, 265,129.92 and 87,941.70

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Solution

The fourth proportional to 176,879.70, 265,129.92 and 87,941.70 is: 131,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,879.70 : 265,129.92 = 87,941.70 : x
  2. Step 2: Convert to fraction form
    176,879.70/265,129.92 = 87,941.70/x
  3. Step 3: Cross multiply
    176,879.70x = 265,129.92 × 87,941.70
  4. Step 4: Simplify right side
    176,879.70x = 23,315,975,885.66
  5. Step 5: Solve for x
    x = 23,315,975,885.66/176,879.70
  6. Step 6: Final answer
    x = 131,818.27

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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.