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Finding the Fourth Proportional to 202,609.10, 303,913.65 and 62,410.70

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Solution

The fourth proportional to 202,609.10, 303,913.65 and 62,410.70 is: 93,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,609.10 : 303,913.65 = 62,410.70 : x
  2. Step 2: Convert to fraction form
    202,609.10/303,913.65 = 62,410.70/x
  3. Step 3: Cross multiply
    202,609.10x = 303,913.65 × 62,410.70
  4. Step 4: Simplify right side
    202,609.10x = 18,967,463,636.06
  5. Step 5: Solve for x
    x = 18,967,463,636.06/202,609.10
  6. Step 6: Final answer
    x = 93,616.05

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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.