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Finding the Fourth Proportional to 240,309.75, 331,614.50 and 132,873.51

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Solution

The fourth proportional to 240,309.75, 331,614.50 and 132,873.51 is: 183,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,309.75 : 331,614.50 = 132,873.51 : x
  2. Step 2: Convert to fraction form
    240,309.75/331,614.50 = 132,873.51/x
  3. Step 3: Cross multiply
    240,309.75x = 331,614.50 × 132,873.51
  4. Step 4: Simplify right side
    240,309.75x = 44,062,781,917.53
  5. Step 5: Solve for x
    x = 44,062,781,917.53/240,309.75
  6. Step 6: Final answer
    x = 183,358.28

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1.5x scale

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.