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Finding the Fourth Proportional to 177,704.30, 266,119.05 and 118,217.90

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Solution

The fourth proportional to 177,704.30, 266,119.05 and 118,217.90 is: 177,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,704.30 : 266,119.05 = 118,217.90 : x
  2. Step 2: Convert to fraction form
    177,704.30/266,119.05 = 118,217.90/x
  3. Step 3: Cross multiply
    177,704.30x = 266,119.05 × 118,217.90
  4. Step 4: Simplify right side
    177,704.30x = 31,460,035,241.00
  5. Step 5: Solve for x
    x = 31,460,035,241.00/177,704.30
  6. Step 6: Final answer
    x = 177,035.87

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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.