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Finding the Fourth Proportional to 176,704.50, 265,141.80 and 87,965.76

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Solution

The fourth proportional to 176,704.50, 265,141.80 and 87,965.76 is: 131,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,704.50 : 265,141.80 = 87,965.76 : x
  2. Step 2: Convert to fraction form
    176,704.50/265,141.80 = 87,965.76/x
  3. Step 3: Cross multiply
    176,704.50x = 265,141.80 × 87,965.76
  4. Step 4: Simplify right side
    176,704.50x = 23,323,399,944.77
  5. Step 5: Solve for x
    x = 23,323,399,944.77/176,704.50
  6. Step 6: Final answer
    x = 131,990.98

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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.