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Finding the Fourth Proportional to 110,450.88, 165,681.78 and 31,576.71

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Solution

The fourth proportional to 110,450.88, 165,681.78 and 31,576.71 is: 47,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,450.88 : 165,681.78 = 31,576.71 : x
  2. Step 2: Convert to fraction form
    110,450.88/165,681.78 = 31,576.71/x
  3. Step 3: Cross multiply
    110,450.88x = 165,681.78 × 31,576.71
  4. Step 4: Simplify right side
    110,450.88x = 5,231,685,519.34
  5. Step 5: Solve for x
    x = 5,231,685,519.34/110,450.88
  6. Step 6: Final answer
    x = 47,366.63

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1.5x scale

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.