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Finding the Fourth Proportional to 202,421.12, 303,566.88 and 95,790.56

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Solution

The fourth proportional to 202,421.12, 303,566.88 and 95,790.56 is: 143,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,421.12 : 303,566.88 = 95,790.56 : x
  2. Step 2: Convert to fraction form
    202,421.12/303,566.88 = 95,790.56/x
  3. Step 3: Cross multiply
    202,421.12x = 303,566.88 × 95,790.56
  4. Step 4: Simplify right side
    202,421.12x = 29,078,841,432.65
  5. Step 5: Solve for x
    x = 29,078,841,432.65/202,421.12
  6. Step 6: Final answer
    x = 143,655.18

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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.