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Finding the Fourth Proportional to 240,018.48, 331,224.12 and 132,588

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Solution

The fourth proportional to 240,018.48, 331,224.12 and 132,588 is: 182,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,018.48 : 331,224.12 = 132,588 : x
  2. Step 2: Convert to fraction form
    240,018.48/331,224.12 = 132,588/x
  3. Step 3: Cross multiply
    240,018.48x = 331,224.12 × 132,588
  4. Step 4: Simplify right side
    240,018.48x = 43,916,343,622.56
  5. Step 5: Solve for x
    x = 43,916,343,622.56/240,018.48
  6. Step 6: Final answer
    x = 182,970.68

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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.