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Finding the Fourth Proportional to 322,342.70, 483,513.96 and 100,726.70

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Solution

The fourth proportional to 322,342.70, 483,513.96 and 100,726.70 is: 151,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,342.70 : 483,513.96 = 100,726.70 : x
  2. Step 2: Convert to fraction form
    322,342.70/483,513.96 = 100,726.70/x
  3. Step 3: Cross multiply
    322,342.70x = 483,513.96 × 100,726.70
  4. Step 4: Simplify right side
    322,342.70x = 48,702,765,594.73
  5. Step 5: Solve for x
    x = 48,702,765,594.73/322,342.70
  6. Step 6: Final answer
    x = 151,090.02

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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.