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Finding the Fourth Proportional to 120,171.63, 165,660.03 and 94,596.06

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Solution

The fourth proportional to 120,171.63, 165,660.03 and 94,596.06 is: 130,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,171.63 : 165,660.03 = 94,596.06 : x
  2. Step 2: Convert to fraction form
    120,171.63/165,660.03 = 94,596.06/x
  3. Step 3: Cross multiply
    120,171.63x = 165,660.03 × 94,596.06
  4. Step 4: Simplify right side
    120,171.63x = 15,670,786,137.48
  5. Step 5: Solve for x
    x = 15,670,786,137.48/120,171.63
  6. Step 6: Final answer
    x = 130,403.38

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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.