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Finding the Fourth Proportional to 147,761.52, 220,699.38 and 133,699.92

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Solution

The fourth proportional to 147,761.52, 220,699.38 and 133,699.92 is: 199,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,761.52 : 220,699.38 = 133,699.92 : x
  2. Step 2: Convert to fraction form
    147,761.52/220,699.38 = 133,699.92/x
  3. Step 3: Cross multiply
    147,761.52x = 220,699.38 × 133,699.92
  4. Step 4: Simplify right side
    147,761.52x = 29,507,489,450.05
  5. Step 5: Solve for x
    x = 29,507,489,450.05/147,761.52
  6. Step 6: Final answer
    x = 199,696.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.