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Finding the Fourth Proportional to 94,782.76, 142,174.60 and 38,623.39

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Solution

The fourth proportional to 94,782.76, 142,174.60 and 38,623.39 is: 57,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,782.76 : 142,174.60 = 38,623.39 : x
  2. Step 2: Convert to fraction form
    94,782.76/142,174.60 = 38,623.39/x
  3. Step 3: Cross multiply
    94,782.76x = 142,174.60 × 38,623.39
  4. Step 4: Simplify right side
    94,782.76x = 5,491,264,571.90
  5. Step 5: Solve for x
    x = 5,491,264,571.90/94,782.76
  6. Step 6: Final answer
    x = 57,935.27

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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.