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Finding the Fourth Proportional to 119,910.59, 165,464.82 and 66,192.14

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Solution

The fourth proportional to 119,910.59, 165,464.82 and 66,192.14 is: 91,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,910.59 : 165,464.82 = 66,192.14 : x
  2. Step 2: Convert to fraction form
    119,910.59/165,464.82 = 66,192.14/x
  3. Step 3: Cross multiply
    119,910.59x = 165,464.82 × 66,192.14
  4. Step 4: Simplify right side
    119,910.59x = 10,952,470,530.51
  5. Step 5: Solve for x
    x = 10,952,470,530.51/119,910.59
  6. Step 6: Final answer
    x = 91,338.64

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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.