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Finding the Fourth Proportional to 202,158.30, 303,346.80 and 83,841.60

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Solution

The fourth proportional to 202,158.30, 303,346.80 and 83,841.60 is: 125,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,158.30 : 303,346.80 = 83,841.60 : x
  2. Step 2: Convert to fraction form
    202,158.30/303,346.80 = 83,841.60/x
  3. Step 3: Cross multiply
    202,158.30x = 303,346.80 × 83,841.60
  4. Step 4: Simplify right side
    202,158.30x = 25,433,081,066.88
  5. Step 5: Solve for x
    x = 25,433,081,066.88/202,158.30
  6. Step 6: Final answer
    x = 125,807.75

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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.