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Finding the Fourth Proportional to 158,155.75, 237,245.79 and 45,837.49

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Solution

The fourth proportional to 158,155.75, 237,245.79 and 45,837.49 is: 68,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,155.75 : 237,245.79 = 45,837.49 : x
  2. Step 2: Convert to fraction form
    158,155.75/237,245.79 = 45,837.49/x
  3. Step 3: Cross multiply
    158,155.75x = 237,245.79 × 45,837.49
  4. Step 4: Simplify right side
    158,155.75x = 10,874,751,526.67
  5. Step 5: Solve for x
    x = 10,874,751,526.67/158,155.75
  6. Step 6: Final answer
    x = 68,759.76

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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.