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Finding the Fourth Proportional to 167,323.05, 250,984.17 and 78,576.21

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Solution

The fourth proportional to 167,323.05, 250,984.17 and 78,576.21 is: 117,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,323.05 : 250,984.17 = 78,576.21 : x
  2. Step 2: Convert to fraction form
    167,323.05/250,984.17 = 78,576.21/x
  3. Step 3: Cross multiply
    167,323.05x = 250,984.17 × 78,576.21
  4. Step 4: Simplify right side
    167,323.05x = 19,721,384,848.60
  5. Step 5: Solve for x
    x = 19,721,384,848.60/167,323.05
  6. Step 6: Final answer
    x = 117,864.12

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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.