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Finding the Fourth Proportional to 182,430.20, 251,751.29 and 101,859.09

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Solution

The fourth proportional to 182,430.20, 251,751.29 and 101,859.09 is: 140,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,430.20 : 251,751.29 = 101,859.09 : x
  2. Step 2: Convert to fraction form
    182,430.20/251,751.29 = 101,859.09/x
  3. Step 3: Cross multiply
    182,430.20x = 251,751.29 × 101,859.09
  4. Step 4: Simplify right side
    182,430.20x = 25,643,156,796.43
  5. Step 5: Solve for x
    x = 25,643,156,796.43/182,430.20
  6. Step 6: Final answer
    x = 140,564.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.