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Finding the Fourth Proportional to 176,711.37, 265,060.68 and 76,871.64

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Solution

The fourth proportional to 176,711.37, 265,060.68 and 76,871.64 is: 115,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,711.37 : 265,060.68 = 76,871.64 : x
  2. Step 2: Convert to fraction form
    176,711.37/265,060.68 = 76,871.64/x
  3. Step 3: Cross multiply
    176,711.37x = 265,060.68 × 76,871.64
  4. Step 4: Simplify right side
    176,711.37x = 20,375,649,171.12
  5. Step 5: Solve for x
    x = 20,375,649,171.12/176,711.37
  6. Step 6: Final answer
    x = 115,304.69

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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.