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Finding the Fourth Proportional to 73,362.06, 109,863.64 and 66,262.26

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Solution

The fourth proportional to 73,362.06, 109,863.64 and 66,262.26 is: 99,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,362.06 : 109,863.64 = 66,262.26 : x
  2. Step 2: Convert to fraction form
    73,362.06/109,863.64 = 66,262.26/x
  3. Step 3: Cross multiply
    73,362.06x = 109,863.64 × 66,262.26
  4. Step 4: Simplify right side
    73,362.06x = 7,279,813,078.23
  5. Step 5: Solve for x
    x = 7,279,813,078.23/73,362.06
  6. Step 6: Final answer
    x = 99,231.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.