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Finding the Fourth Proportional to 117,301.52, 161,884.68 and 66,999.44

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Solution

The fourth proportional to 117,301.52, 161,884.68 and 66,999.44 is: 92,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,301.52 : 161,884.68 = 66,999.44 : x
  2. Step 2: Convert to fraction form
    117,301.52/161,884.68 = 66,999.44/x
  3. Step 3: Cross multiply
    117,301.52x = 161,884.68 × 66,999.44
  4. Step 4: Simplify right side
    117,301.52x = 10,846,182,904.58
  5. Step 5: Solve for x
    x = 10,846,182,904.58/117,301.52
  6. Step 6: Final answer
    x = 92,464.13

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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.