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Finding the Fourth Proportional to 158,454.62, 218,661.11 and 94,754.46

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Solution

The fourth proportional to 158,454.62, 218,661.11 and 94,754.46 is: 130,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,454.62 : 218,661.11 = 94,754.46 : x
  2. Step 2: Convert to fraction form
    158,454.62/218,661.11 = 94,754.46/x
  3. Step 3: Cross multiply
    158,454.62x = 218,661.11 × 94,754.46
  4. Step 4: Simplify right side
    158,454.62x = 20,719,115,401.05
  5. Step 5: Solve for x
    x = 20,719,115,401.05/158,454.62
  6. Step 6: Final answer
    x = 130,757.41

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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.