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Finding the Fourth Proportional to 177,771.51, 266,657.54 and 71,203.46

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Solution

The fourth proportional to 177,771.51, 266,657.54 and 71,203.46 is: 106,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,771.51 : 266,657.54 = 71,203.46 : x
  2. Step 2: Convert to fraction form
    177,771.51/266,657.54 = 71,203.46/x
  3. Step 3: Cross multiply
    177,771.51x = 266,657.54 × 71,203.46
  4. Step 4: Simplify right side
    177,771.51x = 18,986,937,793.78
  5. Step 5: Solve for x
    x = 18,986,937,793.78/177,771.51
  6. Step 6: Final answer
    x = 106,805.29

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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.