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Finding the Fourth Proportional to 108,009.91, 149,054.21 and 60,265.95

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Solution

The fourth proportional to 108,009.91, 149,054.21 and 60,265.95 is: 83,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,009.91 : 149,054.21 = 60,265.95 : x
  2. Step 2: Convert to fraction form
    108,009.91/149,054.21 = 60,265.95/x
  3. Step 3: Cross multiply
    108,009.91x = 149,054.21 × 60,265.95
  4. Step 4: Simplify right side
    108,009.91x = 8,982,893,567.15
  5. Step 5: Solve for x
    x = 8,982,893,567.15/108,009.91
  6. Step 6: Final answer
    x = 83,167.31

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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.