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Finding the Fourth Proportional to 272,687.70, 409,050.24 and 92,699.88

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Solution

The fourth proportional to 272,687.70, 409,050.24 and 92,699.88 is: 139,056.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,687.70 : 409,050.24 = 92,699.88 : x
  2. Step 2: Convert to fraction form
    272,687.70/409,050.24 = 92,699.88/x
  3. Step 3: Cross multiply
    272,687.70x = 409,050.24 × 92,699.88
  4. Step 4: Simplify right side
    272,687.70x = 37,918,908,161.97
  5. Step 5: Solve for x
    x = 37,918,908,161.97/272,687.70
  6. Step 6: Final answer
    x = 139,056.17

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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.