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Finding the Fourth Proportional to 163,661.70, 225,849.59 and 94,754.07

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Solution

The fourth proportional to 163,661.70, 225,849.59 and 94,754.07 is: 130,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,661.70 : 225,849.59 = 94,754.07 : x
  2. Step 2: Convert to fraction form
    163,661.70/225,849.59 = 94,754.07/x
  3. Step 3: Cross multiply
    163,661.70x = 225,849.59 × 94,754.07
  4. Step 4: Simplify right side
    163,661.70x = 21,400,167,860.33
  5. Step 5: Solve for x
    x = 21,400,167,860.33/163,661.70
  6. Step 6: Final answer
    x = 130,758.56

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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.