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Finding the Fourth Proportional to 169,091.53, 232,815.20 and 143,544.94

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Solution

The fourth proportional to 169,091.53, 232,815.20 and 143,544.94 is: 197,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,091.53 : 232,815.20 = 143,544.94 : x
  2. Step 2: Convert to fraction form
    169,091.53/232,815.20 = 143,544.94/x
  3. Step 3: Cross multiply
    169,091.53x = 232,815.20 × 143,544.94
  4. Step 4: Simplify right side
    169,091.53x = 33,419,442,615.33
  5. Step 5: Solve for x
    x = 33,419,442,615.33/169,091.53
  6. Step 6: Final answer
    x = 197,641.14

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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.