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Finding the Fourth Proportional to 127,397.58, 191,100.39 and 32,628.36

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Solution

The fourth proportional to 127,397.58, 191,100.39 and 32,628.36 is: 48,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,397.58 : 191,100.39 = 32,628.36 : x
  2. Step 2: Convert to fraction form
    127,397.58/191,100.39 = 32,628.36/x
  3. Step 3: Cross multiply
    127,397.58x = 191,100.39 × 32,628.36
  4. Step 4: Simplify right side
    127,397.58x = 6,235,292,321.06
  5. Step 5: Solve for x
    x = 6,235,292,321.06/127,397.58
  6. Step 6: Final answer
    x = 48,943.57

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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.