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Finding the Fourth Proportional to 202,277.10, 303,610.05 and 102,549.90

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Solution

The fourth proportional to 202,277.10, 303,610.05 and 102,549.90 is: 153,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,277.10 : 303,610.05 = 102,549.90 : x
  2. Step 2: Convert to fraction form
    202,277.10/303,610.05 = 102,549.90/x
  3. Step 3: Cross multiply
    202,277.10x = 303,610.05 × 102,549.90
  4. Step 4: Simplify right side
    202,277.10x = 31,135,180,266.50
  5. Step 5: Solve for x
    x = 31,135,180,266.50/202,277.10
  6. Step 6: Final answer
    x = 153,923.41

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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.