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Finding the Fourth Proportional to 108,363.88, 149,209.86 and 94,859.56

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Solution

The fourth proportional to 108,363.88, 149,209.86 and 94,859.56 is: 130,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.88 : 149,209.86 = 94,859.56 : x
  2. Step 2: Convert to fraction form
    108,363.88/149,209.86 = 94,859.56/x
  3. Step 3: Cross multiply
    108,363.88x = 149,209.86 × 94,859.56
  4. Step 4: Simplify right side
    108,363.88x = 14,153,981,667.26
  5. Step 5: Solve for x
    x = 14,153,981,667.26/108,363.88
  6. Step 6: Final answer
    x = 130,615.31

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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.