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Finding the Fourth Proportional to 267,705.51, 369,371.66 and 160,234.71

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Solution

The fourth proportional to 267,705.51, 369,371.66 and 160,234.71 is: 221,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,705.51 : 369,371.66 = 160,234.71 : x
  2. Step 2: Convert to fraction form
    267,705.51/369,371.66 = 160,234.71/x
  3. Step 3: Cross multiply
    267,705.51x = 369,371.66 × 160,234.71
  4. Step 4: Simplify right side
    267,705.51x = 59,186,160,021.15
  5. Step 5: Solve for x
    x = 59,186,160,021.15/267,705.51
  6. Step 6: Final answer
    x = 221,086.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.