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Finding the Fourth Proportional to 195,903.88, 270,317.40 and 109,867.30

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Solution

The fourth proportional to 195,903.88, 270,317.40 and 109,867.30 is: 151,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,903.88 : 270,317.40 = 109,867.30 : x
  2. Step 2: Convert to fraction form
    195,903.88/270,317.40 = 109,867.30/x
  3. Step 3: Cross multiply
    195,903.88x = 270,317.40 × 109,867.30
  4. Step 4: Simplify right side
    195,903.88x = 29,699,042,881.02
  5. Step 5: Solve for x
    x = 29,699,042,881.02/195,903.88
  6. Step 6: Final answer
    x = 151,600.07

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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.