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Finding the Fourth Proportional to 176,611.70, 264,917.55 and 164,861.30

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Solution

The fourth proportional to 176,611.70, 264,917.55 and 164,861.30 is: 247,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,611.70 : 264,917.55 = 164,861.30 : x
  2. Step 2: Convert to fraction form
    176,611.70/264,917.55 = 164,861.30/x
  3. Step 3: Cross multiply
    176,611.70x = 264,917.55 × 164,861.30
  4. Step 4: Simplify right side
    176,611.70x = 43,674,651,685.82
  5. Step 5: Solve for x
    x = 43,674,651,685.82/176,611.70
  6. Step 6: Final answer
    x = 247,291.95

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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.