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Finding the Fourth Proportional to 177,709.77, 266,611.33 and 63,869.07

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Solution

The fourth proportional to 177,709.77, 266,611.33 and 63,869.07 is: 95,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,709.77 : 266,611.33 = 63,869.07 : x
  2. Step 2: Convert to fraction form
    177,709.77/266,611.33 = 63,869.07/x
  3. Step 3: Cross multiply
    177,709.77x = 266,611.33 × 63,869.07
  4. Step 4: Simplify right side
    177,709.77x = 17,028,217,698.56
  5. Step 5: Solve for x
    x = 17,028,217,698.56/177,709.77
  6. Step 6: Final answer
    x = 95,820.38

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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.