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Finding the Fourth Proportional to 303,743.52, 455,269.48 and 135,010.36

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Solution

The fourth proportional to 303,743.52, 455,269.48 and 135,010.36 is: 202,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,743.52 : 455,269.48 = 135,010.36 : x
  2. Step 2: Convert to fraction form
    303,743.52/455,269.48 = 135,010.36/x
  3. Step 3: Cross multiply
    303,743.52x = 455,269.48 × 135,010.36
  4. Step 4: Simplify right side
    303,743.52x = 61,466,096,391.81
  5. Step 5: Solve for x
    x = 61,466,096,391.81/303,743.52
  6. Step 6: Final answer
    x = 202,361.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.