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Finding the Fourth Proportional to 202,605.10, 303,907.65 and 62,406.70

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Solution

The fourth proportional to 202,605.10, 303,907.65 and 62,406.70 is: 93,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,605.10 : 303,907.65 = 62,406.70 : x
  2. Step 2: Convert to fraction form
    202,605.10/303,907.65 = 62,406.70/x
  3. Step 3: Cross multiply
    202,605.10x = 303,907.65 × 62,406.70
  4. Step 4: Simplify right side
    202,605.10x = 18,965,873,541.26
  5. Step 5: Solve for x
    x = 18,965,873,541.26/202,605.10
  6. Step 6: Final answer
    x = 93,610.05

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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.