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Finding the Fourth Proportional to 158,380.60, 237,239.70 and 74,212.60

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Solution

The fourth proportional to 158,380.60, 237,239.70 and 74,212.60 is: 111,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,380.60 : 237,239.70 = 74,212.60 : x
  2. Step 2: Convert to fraction form
    158,380.60/237,239.70 = 74,212.60/x
  3. Step 3: Cross multiply
    158,380.60x = 237,239.70 × 74,212.60
  4. Step 4: Simplify right side
    158,380.60x = 17,606,174,960.22
  5. Step 5: Solve for x
    x = 17,606,174,960.22/158,380.60
  6. Step 6: Final answer
    x = 111,163.71

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1.5x scale

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.