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Finding the Fourth Proportional to 158,376.60, 237,233.70 and 74,208.60

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Solution

The fourth proportional to 158,376.60, 237,233.70 and 74,208.60 is: 111,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,376.60 : 237,233.70 = 74,208.60 : x
  2. Step 2: Convert to fraction form
    158,376.60/237,233.70 = 74,208.60/x
  3. Step 3: Cross multiply
    158,376.60x = 237,233.70 × 74,208.60
  4. Step 4: Simplify right side
    158,376.60x = 17,604,780,749.82
  5. Step 5: Solve for x
    x = 17,604,780,749.82/158,376.60
  6. Step 6: Final answer
    x = 111,157.71

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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.