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Finding the Fourth Proportional to 193,494.75, 290,167.59 and 75,150.51

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Solution

The fourth proportional to 193,494.75, 290,167.59 and 75,150.51 is: 112,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,494.75 : 290,167.59 = 75,150.51 : x
  2. Step 2: Convert to fraction form
    193,494.75/290,167.59 = 75,150.51/x
  3. Step 3: Cross multiply
    193,494.75x = 290,167.59 × 75,150.51
  4. Step 4: Simplify right side
    193,494.75x = 21,806,242,373.97
  5. Step 5: Solve for x
    x = 21,806,242,373.97/193,494.75
  6. Step 6: Final answer
    x = 112,696.82

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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.