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Finding the Fourth Proportional to 141,698.71, 212,576.10 and 40,497.67

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Solution

The fourth proportional to 141,698.71, 212,576.10 and 40,497.67 is: 60,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,698.71 : 212,576.10 = 40,497.67 : x
  2. Step 2: Convert to fraction form
    141,698.71/212,576.10 = 40,497.67/x
  3. Step 3: Cross multiply
    141,698.71x = 212,576.10 × 40,497.67
  4. Step 4: Simplify right side
    141,698.71x = 8,608,836,747.69
  5. Step 5: Solve for x
    x = 8,608,836,747.69/141,698.71
  6. Step 6: Final answer
    x = 60,754.52

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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.