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Finding the Fourth Proportional to 202,488.80, 303,741.52 and 69,460.52

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Solution

The fourth proportional to 202,488.80, 303,741.52 and 69,460.52 is: 104,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,488.80 : 303,741.52 = 69,460.52 : x
  2. Step 2: Convert to fraction form
    202,488.80/303,741.52 = 69,460.52/x
  3. Step 3: Cross multiply
    202,488.80x = 303,741.52 × 69,460.52
  4. Step 4: Simplify right side
    202,488.80x = 21,098,043,924.79
  5. Step 5: Solve for x
    x = 21,098,043,924.79/202,488.80
  6. Step 6: Final answer
    x = 104,193.63

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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.