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Finding the Fourth Proportional to 272,955.52, 409,471.50 and 95,422.15

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Solution

The fourth proportional to 272,955.52, 409,471.50 and 95,422.15 is: 143,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,955.52 : 409,471.50 = 95,422.15 : x
  2. Step 2: Convert to fraction form
    272,955.52/409,471.50 = 95,422.15/x
  3. Step 3: Cross multiply
    272,955.52x = 409,471.50 × 95,422.15
  4. Step 4: Simplify right side
    272,955.52x = 39,072,651,763.40
  5. Step 5: Solve for x
    x = 39,072,651,763.40/272,955.52
  6. Step 6: Final answer
    x = 143,146.59

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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.