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Finding the Fourth Proportional to 171,461.67, 236,732.70 and 107,029.05

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Solution

The fourth proportional to 171,461.67, 236,732.70 and 107,029.05 is: 147,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,461.67 : 236,732.70 = 107,029.05 : x
  2. Step 2: Convert to fraction form
    171,461.67/236,732.70 = 107,029.05/x
  3. Step 3: Cross multiply
    171,461.67x = 236,732.70 × 107,029.05
  4. Step 4: Simplify right side
    171,461.67x = 25,337,275,984.94
  5. Step 5: Solve for x
    x = 25,337,275,984.94/171,461.67
  6. Step 6: Final answer
    x = 147,772.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.