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Finding the Fourth Proportional to 272,814.44, 376,502.84 and 165,389

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Solution

The fourth proportional to 272,814.44, 376,502.84 and 165,389 is: 228,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,814.44 : 376,502.84 = 165,389 : x
  2. Step 2: Convert to fraction form
    272,814.44/376,502.84 = 165,389/x
  3. Step 3: Cross multiply
    272,814.44x = 376,502.84 × 165,389
  4. Step 4: Simplify right side
    272,814.44x = 62,269,428,204.76
  5. Step 5: Solve for x
    x = 62,269,428,204.76/272,814.44
  6. Step 6: Final answer
    x = 228,248.29

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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.