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Finding the Fourth Proportional to 285,448.24, 428,069.01 and 95,851.90

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Solution

The fourth proportional to 285,448.24, 428,069.01 and 95,851.90 is: 143,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,448.24 : 428,069.01 = 95,851.90 : x
  2. Step 2: Convert to fraction form
    285,448.24/428,069.01 = 95,851.90/x
  3. Step 3: Cross multiply
    285,448.24x = 428,069.01 × 95,851.90
  4. Step 4: Simplify right side
    285,448.24x = 41,031,227,939.62
  5. Step 5: Solve for x
    x = 41,031,227,939.62/285,448.24
  6. Step 6: Final answer
    x = 143,743.15

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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.