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Finding the Fourth Proportional to 110,949, 166,465.38 and 66,606.66

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Solution

The fourth proportional to 110,949, 166,465.38 and 66,606.66 is: 99,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,949 : 166,465.38 = 66,606.66 : x
  2. Step 2: Convert to fraction form
    110,949/166,465.38 = 66,606.66/x
  3. Step 3: Cross multiply
    110,949x = 166,465.38 × 66,606.66
  4. Step 4: Simplify right side
    110,949x = 11,087,702,967.43
  5. Step 5: Solve for x
    x = 11,087,702,967.43/110,949
  6. Step 6: Final answer
    x = 99,935.13

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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.