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Finding the Fourth Proportional to 93,813.64, 140,721.34 and 23,692.88

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Solution

The fourth proportional to 93,813.64, 140,721.34 and 23,692.88 is: 35,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,813.64 : 140,721.34 = 23,692.88 : x
  2. Step 2: Convert to fraction form
    93,813.64/140,721.34 = 23,692.88/x
  3. Step 3: Cross multiply
    93,813.64x = 140,721.34 × 23,692.88
  4. Step 4: Simplify right side
    93,813.64x = 3,334,093,822.06
  5. Step 5: Solve for x
    x = 3,334,093,822.06/93,813.64
  6. Step 6: Final answer
    x = 35,539.54

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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.