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Finding the Fourth Proportional to 150,655.56, 207,904.10 and 82,673.66

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Solution

The fourth proportional to 150,655.56, 207,904.10 and 82,673.66 is: 114,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,655.56 : 207,904.10 = 82,673.66 : x
  2. Step 2: Convert to fraction form
    150,655.56/207,904.10 = 82,673.66/x
  3. Step 3: Cross multiply
    150,655.56x = 207,904.10 × 82,673.66
  4. Step 4: Simplify right side
    150,655.56x = 17,188,192,876.01
  5. Step 5: Solve for x
    x = 17,188,192,876.01/150,655.56
  6. Step 6: Final answer
    x = 114,089.34

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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.