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Finding the Fourth Proportional to 240,814.59, 332,312.26 and 131,919.39

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Solution

The fourth proportional to 240,814.59, 332,312.26 and 131,919.39 is: 182,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,814.59 : 332,312.26 = 131,919.39 : x
  2. Step 2: Convert to fraction form
    240,814.59/332,312.26 = 131,919.39/x
  3. Step 3: Cross multiply
    240,814.59x = 332,312.26 × 131,919.39
  4. Step 4: Simplify right side
    240,814.59x = 43,838,430,628.72
  5. Step 5: Solve for x
    x = 43,838,430,628.72/240,814.59
  6. Step 6: Final answer
    x = 182,042.25

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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.