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Finding the Fourth Proportional to 158,504.42, 218,735.70 and 94,842.20

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Solution

The fourth proportional to 158,504.42, 218,735.70 and 94,842.20 is: 130,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,504.42 : 218,735.70 = 94,842.20 : x
  2. Step 2: Convert to fraction form
    158,504.42/218,735.70 = 94,842.20/x
  3. Step 3: Cross multiply
    158,504.42x = 218,735.70 × 94,842.20
  4. Step 4: Simplify right side
    158,504.42x = 20,745,375,006.54
  5. Step 5: Solve for x
    x = 20,745,375,006.54/158,504.42
  6. Step 6: Final answer
    x = 130,882.00

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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.