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Finding the Fourth Proportional to 336,542.34, 504,755.18 and 87,224.34

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Solution

The fourth proportional to 336,542.34, 504,755.18 and 87,224.34 is: 130,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,542.34 : 504,755.18 = 87,224.34 : x
  2. Step 2: Convert to fraction form
    336,542.34/504,755.18 = 87,224.34/x
  3. Step 3: Cross multiply
    336,542.34x = 504,755.18 × 87,224.34
  4. Step 4: Simplify right side
    336,542.34x = 44,026,937,437.08
  5. Step 5: Solve for x
    x = 44,026,937,437.08/336,542.34
  6. Step 6: Final answer
    x = 130,821.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.