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Finding the Fourth Proportional to 177,989.85, 266,838.53 and 83,173.19

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Solution

The fourth proportional to 177,989.85, 266,838.53 and 83,173.19 is: 124,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,989.85 : 266,838.53 = 83,173.19 : x
  2. Step 2: Convert to fraction form
    177,989.85/266,838.53 = 83,173.19/x
  3. Step 3: Cross multiply
    177,989.85x = 266,838.53 × 83,173.19
  4. Step 4: Simplify right side
    177,989.85x = 22,193,810,004.95
  5. Step 5: Solve for x
    x = 22,193,810,004.95/177,989.85
  6. Step 6: Final answer
    x = 124,691.44

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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.