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Finding the Fourth Proportional to 272,808.93, 376,495.25 and 165,383.49

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Solution

The fourth proportional to 272,808.93, 376,495.25 and 165,383.49 is: 228,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,808.93 : 376,495.25 = 165,383.49 : x
  2. Step 2: Convert to fraction form
    272,808.93/376,495.25 = 165,383.49/x
  3. Step 3: Cross multiply
    272,808.93x = 376,495.25 × 165,383.49
  4. Step 4: Simplify right side
    272,808.93x = 62,266,098,826.88
  5. Step 5: Solve for x
    x = 62,266,098,826.88/272,808.93
  6. Step 6: Final answer
    x = 228,240.69

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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.