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Finding the Fourth Proportional to 202,291.90, 303,765.90 and 136,025.80

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Solution

The fourth proportional to 202,291.90, 303,765.90 and 136,025.80 is: 204,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,291.90 : 303,765.90 = 136,025.80 : x
  2. Step 2: Convert to fraction form
    202,291.90/303,765.90 = 136,025.80/x
  3. Step 3: Cross multiply
    202,291.90x = 303,765.90 × 136,025.80
  4. Step 4: Simplify right side
    202,291.90x = 41,319,999,560.22
  5. Step 5: Solve for x
    x = 41,319,999,560.22/202,291.90
  6. Step 6: Final answer
    x = 204,259.29

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1.5x scale

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.