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Finding the Fourth Proportional to 108,589.89, 149,853.95 and 60,843.58

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Solution

The fourth proportional to 108,589.89, 149,853.95 and 60,843.58 is: 83,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,589.89 : 149,853.95 = 60,843.58 : x
  2. Step 2: Convert to fraction form
    108,589.89/149,853.95 = 60,843.58/x
  3. Step 3: Cross multiply
    108,589.89x = 149,853.95 × 60,843.58
  4. Step 4: Simplify right side
    108,589.89x = 9,117,650,795.14
  5. Step 5: Solve for x
    x = 9,117,650,795.14/108,589.89
  6. Step 6: Final answer
    x = 83,964.09

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1.5x scale

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.