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Finding the Fourth Proportional to 250,482.21, 375,762.24 and 84,257.25

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Solution

The fourth proportional to 250,482.21, 375,762.24 and 84,257.25 is: 126,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,482.21 : 375,762.24 = 84,257.25 : x
  2. Step 2: Convert to fraction form
    250,482.21/375,762.24 = 84,257.25/x
  3. Step 3: Cross multiply
    250,482.21x = 375,762.24 × 84,257.25
  4. Step 4: Simplify right side
    250,482.21x = 31,660,692,996.24
  5. Step 5: Solve for x
    x = 31,660,692,996.24/250,482.21
  6. Step 6: Final answer
    x = 126,398.97

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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.