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Finding the Fourth Proportional to 108,955.33, 163,430.26 and 44,899.31

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Solution

The fourth proportional to 108,955.33, 163,430.26 and 44,899.31 is: 67,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,955.33 : 163,430.26 = 44,899.31 : x
  2. Step 2: Convert to fraction form
    108,955.33/163,430.26 = 44,899.31/x
  3. Step 3: Cross multiply
    108,955.33x = 163,430.26 × 44,899.31
  4. Step 4: Simplify right side
    108,955.33x = 7,337,906,203.45
  5. Step 5: Solve for x
    x = 7,337,906,203.45/108,955.33
  6. Step 6: Final answer
    x = 67,347.84

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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.