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Finding the Fourth Proportional to 187,162.56, 279,708.96 and 167,670.72

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Solution

The fourth proportional to 187,162.56, 279,708.96 and 167,670.72 is: 250,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,162.56 : 279,708.96 = 167,670.72 : x
  2. Step 2: Convert to fraction form
    187,162.56/279,708.96 = 167,670.72/x
  3. Step 3: Cross multiply
    187,162.56x = 279,708.96 × 167,670.72
  4. Step 4: Simplify right side
    187,162.56x = 46,899,002,713.65
  5. Step 5: Solve for x
    x = 46,899,002,713.65/187,162.56
  6. Step 6: Final answer
    x = 250,578.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.