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Finding the Fourth Proportional to 183,692.10, 275,643.27 and 71,357.76

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Solution

The fourth proportional to 183,692.10, 275,643.27 and 71,357.76 is: 107,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,692.10 : 275,643.27 = 71,357.76 : x
  2. Step 2: Convert to fraction form
    183,692.10/275,643.27 = 71,357.76/x
  3. Step 3: Cross multiply
    183,692.10x = 275,643.27 × 71,357.76
  4. Step 4: Simplify right side
    183,692.10x = 19,669,286,306.28
  5. Step 5: Solve for x
    x = 19,669,286,306.28/183,692.10
  6. Step 6: Final answer
    x = 107,077.48

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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.