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Finding the Fourth Proportional to 158,672.32, 237,891.84 and 75,624.64

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Solution

The fourth proportional to 158,672.32, 237,891.84 and 75,624.64 is: 113,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,672.32 : 237,891.84 = 75,624.64 : x
  2. Step 2: Convert to fraction form
    158,672.32/237,891.84 = 75,624.64/x
  3. Step 3: Cross multiply
    158,672.32x = 237,891.84 × 75,624.64
  4. Step 4: Simplify right side
    158,672.32x = 17,990,484,758.94
  5. Step 5: Solve for x
    x = 17,990,484,758.94/158,672.32
  6. Step 6: Final answer
    x = 113,381.37

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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.