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Finding the Fourth Proportional to 177,443.52, 266,018.28 and 70,761.66

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Solution

The fourth proportional to 177,443.52, 266,018.28 and 70,761.66 is: 106,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,443.52 : 266,018.28 = 70,761.66 : x
  2. Step 2: Convert to fraction form
    177,443.52/266,018.28 = 70,761.66/x
  3. Step 3: Cross multiply
    177,443.52x = 266,018.28 × 70,761.66
  4. Step 4: Simplify right side
    177,443.52x = 18,823,895,083.14
  5. Step 5: Solve for x
    x = 18,823,895,083.14/177,443.52
  6. Step 6: Final answer
    x = 106,083.87

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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.