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Finding the Fourth Proportional to 94,756.50, 142,135.29 and 39,352.50

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Solution

The fourth proportional to 94,756.50, 142,135.29 and 39,352.50 is: 59,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,756.50 : 142,135.29 = 39,352.50 : x
  2. Step 2: Convert to fraction form
    94,756.50/142,135.29 = 39,352.50/x
  3. Step 3: Cross multiply
    94,756.50x = 142,135.29 × 39,352.50
  4. Step 4: Simplify right side
    94,756.50x = 5,593,378,999.73
  5. Step 5: Solve for x
    x = 5,593,378,999.73/94,756.50
  6. Step 6: Final answer
    x = 59,028.97

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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.