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Finding the Fourth Proportional to 202,295.10, 303,515.55 and 84,051.30

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Solution

The fourth proportional to 202,295.10, 303,515.55 and 84,051.30 is: 126,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.10 : 303,515.55 = 84,051.30 : x
  2. Step 2: Convert to fraction form
    202,295.10/303,515.55 = 84,051.30/x
  3. Step 3: Cross multiply
    202,295.10x = 303,515.55 × 84,051.30
  4. Step 4: Simplify right side
    202,295.10x = 25,510,876,547.72
  5. Step 5: Solve for x
    x = 25,510,876,547.72/202,295.10
  6. Step 6: Final answer
    x = 126,107.24

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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.