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Finding the Fourth Proportional to 202,340.90, 303,268.35 and 83,951.30

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Solution

The fourth proportional to 202,340.90, 303,268.35 and 83,951.30 is: 125,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,340.90 : 303,268.35 = 83,951.30 : x
  2. Step 2: Convert to fraction form
    202,340.90/303,268.35 = 83,951.30/x
  3. Step 3: Cross multiply
    202,340.90x = 303,268.35 × 83,951.30
  4. Step 4: Simplify right side
    202,340.90x = 25,459,772,231.36
  5. Step 5: Solve for x
    x = 25,459,772,231.36/202,340.90
  6. Step 6: Final answer
    x = 125,826.13

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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.