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Finding the Fourth Proportional to 272,663.10, 376,274.26 and 151,801.28

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Solution

The fourth proportional to 272,663.10, 376,274.26 and 151,801.28 is: 209,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,663.10 : 376,274.26 = 151,801.28 : x
  2. Step 2: Convert to fraction form
    272,663.10/376,274.26 = 151,801.28/x
  3. Step 3: Cross multiply
    272,663.10x = 376,274.26 × 151,801.28
  4. Step 4: Simplify right side
    272,663.10x = 57,118,914,299.05
  5. Step 5: Solve for x
    x = 57,118,914,299.05/272,663.10
  6. Step 6: Final answer
    x = 209,485.31

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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.