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Finding the Fourth Proportional to 177,963.40, 266,945.10 and 161,050.60

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Solution

The fourth proportional to 177,963.40, 266,945.10 and 161,050.60 is: 241,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,963.40 : 266,945.10 = 161,050.60 : x
  2. Step 2: Convert to fraction form
    177,963.40/266,945.10 = 161,050.60/x
  3. Step 3: Cross multiply
    177,963.40x = 266,945.10 × 161,050.60
  4. Step 4: Simplify right side
    177,963.40x = 42,991,668,522.06
  5. Step 5: Solve for x
    x = 42,991,668,522.06/177,963.40
  6. Step 6: Final answer
    x = 241,575.90

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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.