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Finding the Fourth Proportional to 177,207.76, 265,510.74 and 106,939.42

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Solution

The fourth proportional to 177,207.76, 265,510.74 and 106,939.42 is: 160,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,207.76 : 265,510.74 = 106,939.42 : x
  2. Step 2: Convert to fraction form
    177,207.76/265,510.74 = 106,939.42/x
  3. Step 3: Cross multiply
    177,207.76x = 265,510.74 × 106,939.42
  4. Step 4: Simplify right side
    177,207.76x = 28,393,564,539.37
  5. Step 5: Solve for x
    x = 28,393,564,539.37/177,207.76
  6. Step 6: Final answer
    x = 160,227.55

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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.