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Finding the Fourth Proportional to 177,873.83, 266,810.84 and 72,692.69

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Solution

The fourth proportional to 177,873.83, 266,810.84 and 72,692.69 is: 109,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,873.83 : 266,810.84 = 72,692.69 : x
  2. Step 2: Convert to fraction form
    177,873.83/266,810.84 = 72,692.69/x
  3. Step 3: Cross multiply
    177,873.83x = 266,810.84 × 72,692.69
  4. Step 4: Simplify right side
    177,873.83x = 19,395,195,983.24
  5. Step 5: Solve for x
    x = 19,395,195,983.24/177,873.83
  6. Step 6: Final answer
    x = 109,039.07

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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.