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Finding the Fourth Proportional to 187,794.72, 281,502.54 and 117,723.24

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Solution

The fourth proportional to 187,794.72, 281,502.54 and 117,723.24 is: 176,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,794.72 : 281,502.54 = 117,723.24 : x
  2. Step 2: Convert to fraction form
    187,794.72/281,502.54 = 117,723.24/x
  3. Step 3: Cross multiply
    187,794.72x = 281,502.54 × 117,723.24
  4. Step 4: Simplify right side
    187,794.72x = 33,139,391,077.03
  5. Step 5: Solve for x
    x = 33,139,391,077.03/187,794.72
  6. Step 6: Final answer
    x = 176,466.04

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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.