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Finding the Fourth Proportional to 202,530.60, 303,650.10 and 113,811.30

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Solution

The fourth proportional to 202,530.60, 303,650.10 and 113,811.30 is: 170,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,530.60 : 303,650.10 = 113,811.30 : x
  2. Step 2: Convert to fraction form
    202,530.60/303,650.10 = 113,811.30/x
  3. Step 3: Cross multiply
    202,530.60x = 303,650.10 × 113,811.30
  4. Step 4: Simplify right side
    202,530.60x = 34,558,812,626.13
  5. Step 5: Solve for x
    x = 34,558,812,626.13/202,530.60
  6. Step 6: Final answer
    x = 170,635.02

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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.