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Finding the Fourth Proportional to 158,674.32, 237,894.84 and 75,626.64

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Solution

The fourth proportional to 158,674.32, 237,894.84 and 75,626.64 is: 113,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,674.32 : 237,894.84 = 75,626.64 : x
  2. Step 2: Convert to fraction form
    158,674.32/237,894.84 = 75,626.64/x
  3. Step 3: Cross multiply
    158,674.32x = 237,894.84 × 75,626.64
  4. Step 4: Simplify right side
    158,674.32x = 17,991,187,422.54
  5. Step 5: Solve for x
    x = 17,991,187,422.54/158,674.32
  6. Step 6: Final answer
    x = 113,384.37

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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.