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Finding the Fourth Proportional to 177,621.36, 266,537.08 and 65,380.42

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Solution

The fourth proportional to 177,621.36, 266,537.08 and 65,380.42 is: 98,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,621.36 : 266,537.08 = 65,380.42 : x
  2. Step 2: Convert to fraction form
    177,621.36/266,537.08 = 65,380.42/x
  3. Step 3: Cross multiply
    177,621.36x = 266,537.08 × 65,380.42
  4. Step 4: Simplify right side
    177,621.36x = 17,426,305,151.60
  5. Step 5: Solve for x
    x = 17,426,305,151.60/177,621.36
  6. Step 6: Final answer
    x = 98,109.29

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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.