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Finding the Fourth Proportional to 202,352.40, 303,528.60 and 149,208.30

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Solution

The fourth proportional to 202,352.40, 303,528.60 and 149,208.30 is: 223,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,352.40 : 303,528.60 = 149,208.30 : x
  2. Step 2: Convert to fraction form
    202,352.40/303,528.60 = 149,208.30/x
  3. Step 3: Cross multiply
    202,352.40x = 303,528.60 × 149,208.30
  4. Step 4: Simplify right side
    202,352.40x = 45,288,986,407.38
  5. Step 5: Solve for x
    x = 45,288,986,407.38/202,352.40
  6. Step 6: Final answer
    x = 223,812.45

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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.