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Finding the Fourth Proportional to 336,575.66, 504,715.56 and 126,065.97

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Solution

The fourth proportional to 336,575.66, 504,715.56 and 126,065.97 is: 189,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,575.66 : 504,715.56 = 126,065.97 : x
  2. Step 2: Convert to fraction form
    336,575.66/504,715.56 = 126,065.97/x
  3. Step 3: Cross multiply
    336,575.66x = 504,715.56 × 126,065.97
  4. Step 4: Simplify right side
    336,575.66x = 63,627,456,172.75
  5. Step 5: Solve for x
    x = 63,627,456,172.75/336,575.66
  6. Step 6: Final answer
    x = 189,043.55

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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.