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Finding the Fourth Proportional to 127,398.58, 191,101.89 and 32,629.36

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Solution

The fourth proportional to 127,398.58, 191,101.89 and 32,629.36 is: 48,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,398.58 : 191,101.89 = 32,629.36 : x
  2. Step 2: Convert to fraction form
    127,398.58/191,101.89 = 32,629.36/x
  3. Step 3: Cross multiply
    127,398.58x = 191,101.89 × 32,629.36
  4. Step 4: Simplify right side
    127,398.58x = 6,235,532,365.49
  5. Step 5: Solve for x
    x = 6,235,532,365.49/127,398.58
  6. Step 6: Final answer
    x = 48,945.07

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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.