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Finding the Fourth Proportional to 202,295.90, 303,115.80 and 127,281.80

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Solution

The fourth proportional to 202,295.90, 303,115.80 and 127,281.80 is: 190,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.90 : 303,115.80 = 127,281.80 : x
  2. Step 2: Convert to fraction form
    202,295.90/303,115.80 = 127,281.80/x
  3. Step 3: Cross multiply
    202,295.90x = 303,115.80 × 127,281.80
  4. Step 4: Simplify right side
    202,295.90x = 38,581,124,632.44
  5. Step 5: Solve for x
    x = 38,581,124,632.44/202,295.90
  6. Step 6: Final answer
    x = 190,716.30

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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.