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Finding the Fourth Proportional to 158,109.78, 237,163.41 and 64,549.92

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Solution

The fourth proportional to 158,109.78, 237,163.41 and 64,549.92 is: 96,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,109.78 : 237,163.41 = 64,549.92 : x
  2. Step 2: Convert to fraction form
    158,109.78/237,163.41 = 64,549.92/x
  3. Step 3: Cross multiply
    158,109.78x = 237,163.41 × 64,549.92
  4. Step 4: Simplify right side
    158,109.78x = 15,308,879,142.43
  5. Step 5: Solve for x
    x = 15,308,879,142.43/158,109.78
  6. Step 6: Final answer
    x = 96,824.37

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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.