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Finding the Fourth Proportional to 119,588.97, 165,039.86 and 68,601.32

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Solution

The fourth proportional to 119,588.97, 165,039.86 and 68,601.32 is: 94,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,588.97 : 165,039.86 = 68,601.32 : x
  2. Step 2: Convert to fraction form
    119,588.97/165,039.86 = 68,601.32/x
  3. Step 3: Cross multiply
    119,588.97x = 165,039.86 × 68,601.32
  4. Step 4: Simplify right side
    119,588.97x = 11,321,952,248.62
  5. Step 5: Solve for x
    x = 11,321,952,248.62/119,588.97
  6. Step 6: Final answer
    x = 94,673.89

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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.