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Finding the Fourth Proportional to 172,133.67, 258,200.24 and 45,773.97

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Solution

The fourth proportional to 172,133.67, 258,200.24 and 45,773.97 is: 68,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,133.67 : 258,200.24 = 45,773.97 : x
  2. Step 2: Convert to fraction form
    172,133.67/258,200.24 = 45,773.97/x
  3. Step 3: Cross multiply
    172,133.67x = 258,200.24 × 45,773.97
  4. Step 4: Simplify right side
    172,133.67x = 11,818,849,810.88
  5. Step 5: Solve for x
    x = 11,818,849,810.88/172,133.67
  6. Step 6: Final answer
    x = 68,660.88

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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.