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Finding the Fourth Proportional to 336,672.35, 504,712.82 and 137,160.54

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Solution

The fourth proportional to 336,672.35, 504,712.82 and 137,160.54 is: 205,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,672.35 : 504,712.82 = 137,160.54 : x
  2. Step 2: Convert to fraction form
    336,672.35/504,712.82 = 137,160.54/x
  3. Step 3: Cross multiply
    336,672.35x = 504,712.82 × 137,160.54
  4. Step 4: Simplify right side
    336,672.35x = 69,226,683,279.02
  5. Step 5: Solve for x
    x = 69,226,683,279.02/336,672.35
  6. Step 6: Final answer
    x = 205,620.34

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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.