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Finding the Fourth Proportional to 250,493.10, 375,646.36 and 100,682.92

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Solution

The fourth proportional to 250,493.10, 375,646.36 and 100,682.92 is: 150,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,493.10 : 375,646.36 = 100,682.92 : x
  2. Step 2: Convert to fraction form
    250,493.10/375,646.36 = 100,682.92/x
  3. Step 3: Cross multiply
    250,493.10x = 375,646.36 × 100,682.92
  4. Step 4: Simplify right side
    250,493.10x = 37,821,172,412.17
  5. Step 5: Solve for x
    x = 37,821,172,412.17/250,493.10
  6. Step 6: Final answer
    x = 150,986.88

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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.