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Finding the Fourth Proportional to 202,209.70, 303,314.55 and 61,950.10

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Solution

The fourth proportional to 202,209.70, 303,314.55 and 61,950.10 is: 92,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,209.70 : 303,314.55 = 61,950.10 : x
  2. Step 2: Convert to fraction form
    202,209.70/303,314.55 = 61,950.10/x
  3. Step 3: Cross multiply
    202,209.70x = 303,314.55 × 61,950.10
  4. Step 4: Simplify right side
    202,209.70x = 18,790,366,703.96
  5. Step 5: Solve for x
    x = 18,790,366,703.96/202,209.70
  6. Step 6: Final answer
    x = 92,925.15

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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.