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Finding the Fourth Proportional to 144,052.67, 198,791.53 and 83,628.92

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Solution

The fourth proportional to 144,052.67, 198,791.53 and 83,628.92 is: 115,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.67 : 198,791.53 = 83,628.92 : x
  2. Step 2: Convert to fraction form
    144,052.67/198,791.53 = 83,628.92/x
  3. Step 3: Cross multiply
    144,052.67x = 198,791.53 × 83,628.92
  4. Step 4: Simplify right side
    144,052.67x = 16,624,720,959.05
  5. Step 5: Solve for x
    x = 16,624,720,959.05/144,052.67
  6. Step 6: Final answer
    x = 115,407.24

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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.