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Finding the Fourth Proportional to 161,692.54, 223,135.76 and 93,749.13

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Solution

The fourth proportional to 161,692.54, 223,135.76 and 93,749.13 is: 129,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,692.54 : 223,135.76 = 93,749.13 : x
  2. Step 2: Convert to fraction form
    161,692.54/223,135.76 = 93,749.13/x
  3. Step 3: Cross multiply
    161,692.54x = 223,135.76 × 93,749.13
  4. Step 4: Simplify right side
    161,692.54x = 20,918,783,606.26
  5. Step 5: Solve for x
    x = 20,918,783,606.26/161,692.54
  6. Step 6: Final answer
    x = 129,373.83

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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.