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Finding the Fourth Proportional to 158,694.20, 238,041.06 and 65,134.04

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Solution

The fourth proportional to 158,694.20, 238,041.06 and 65,134.04 is: 97,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,694.20 : 238,041.06 = 65,134.04 : x
  2. Step 2: Convert to fraction form
    158,694.20/238,041.06 = 65,134.04/x
  3. Step 3: Cross multiply
    158,694.20x = 238,041.06 × 65,134.04
  4. Step 4: Simplify right side
    158,694.20x = 15,504,575,923.68
  5. Step 5: Solve for x
    x = 15,504,575,923.68/158,694.20
  6. Step 6: Final answer
    x = 97,700.96

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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.