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Finding the Fourth Proportional to 116,955.44, 161,388.76 and 65,965.36

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Solution

The fourth proportional to 116,955.44, 161,388.76 and 65,965.36 is: 91,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,955.44 : 161,388.76 = 65,965.36 : x
  2. Step 2: Convert to fraction form
    116,955.44/161,388.76 = 65,965.36/x
  3. Step 3: Cross multiply
    116,955.44x = 161,388.76 × 65,965.36
  4. Step 4: Simplify right side
    116,955.44x = 10,646,067,653.35
  5. Step 5: Solve for x
    x = 10,646,067,653.35/116,955.44
  6. Step 6: Final answer
    x = 91,026.70

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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.