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Finding the Fourth Proportional to 202,570.80, 303,418.80 and 176,326.80

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Solution

The fourth proportional to 202,570.80, 303,418.80 and 176,326.80 is: 264,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,570.80 : 303,418.80 = 176,326.80 : x
  2. Step 2: Convert to fraction form
    202,570.80/303,418.80 = 176,326.80/x
  3. Step 3: Cross multiply
    202,570.80x = 303,418.80 × 176,326.80
  4. Step 4: Simplify right side
    202,570.80x = 53,500,866,063.84
  5. Step 5: Solve for x
    x = 53,500,866,063.84/202,570.80
  6. Step 6: Final answer
    x = 264,109.47

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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.