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Finding the Fourth Proportional to 240,502.72, 331,879.89 and 133,066.35

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Solution

The fourth proportional to 240,502.72, 331,879.89 and 133,066.35 is: 183,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,502.72 : 331,879.89 = 133,066.35 : x
  2. Step 2: Convert to fraction form
    240,502.72/331,879.89 = 133,066.35/x
  3. Step 3: Cross multiply
    240,502.72x = 331,879.89 × 133,066.35
  4. Step 4: Simplify right side
    240,502.72x = 44,162,045,600.70
  5. Step 5: Solve for x
    x = 44,162,045,600.70/240,502.72
  6. Step 6: Final answer
    x = 183,623.89

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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.