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Finding the Fourth Proportional to 117,179.54, 161,710.53 and 66,883.22

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Solution

The fourth proportional to 117,179.54, 161,710.53 and 66,883.22 is: 92,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,179.54 : 161,710.53 = 66,883.22 : x
  2. Step 2: Convert to fraction form
    117,179.54/161,710.53 = 66,883.22/x
  3. Step 3: Cross multiply
    117,179.54x = 161,710.53 × 66,883.22
  4. Step 4: Simplify right side
    117,179.54x = 10,815,720,954.31
  5. Step 5: Solve for x
    x = 10,815,720,954.31/117,179.54
  6. Step 6: Final answer
    x = 92,300.42

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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.