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Finding the Fourth Proportional to 272,661.64, 376,246.26 and 159,462.28

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Solution

The fourth proportional to 272,661.64, 376,246.26 and 159,462.28 is: 220,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,661.64 : 376,246.26 = 159,462.28 : x
  2. Step 2: Convert to fraction form
    272,661.64/376,246.26 = 159,462.28/x
  3. Step 3: Cross multiply
    272,661.64x = 376,246.26 × 159,462.28
  4. Step 4: Simplify right side
    272,661.64x = 59,997,086,461.07
  5. Step 5: Solve for x
    x = 59,997,086,461.07/272,661.64
  6. Step 6: Final answer
    x = 220,042.27

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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.