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Finding the Fourth Proportional to 147,654.60, 203,692.50 and 96,644.88

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Solution

The fourth proportional to 147,654.60, 203,692.50 and 96,644.88 is: 133,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,654.60 : 203,692.50 = 96,644.88 : x
  2. Step 2: Convert to fraction form
    147,654.60/203,692.50 = 96,644.88/x
  3. Step 3: Cross multiply
    147,654.60x = 203,692.50 × 96,644.88
  4. Step 4: Simplify right side
    147,654.60x = 19,685,837,219.40
  5. Step 5: Solve for x
    x = 19,685,837,219.40/147,654.60
  6. Step 6: Final answer
    x = 133,323.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.